sagu1228 Moonrise behind saguaro cactus. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1228.html sagu1233 Saguaro cactus and moon at dawn. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1233.html sagu21018 Saguaro cactus silhouettes at sunset. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu21018.html sagu1229 saguaro cacti forest on hillside, West Unit. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1229.html sagu45086 Saguaro cactus with night blooming flowers. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu45086.html sagu32864 Rocks, flowers and cactus, morning. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32864.html sagu1223 Backlit Saguaro cactus. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1223.html sagu1225 Giant Saguaro cactus (scientific name: Carnegiea gigantea), mid-day. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1225.html sagu45077 Bare wooden ribs of Saguaro skeleton under dark sky. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu45077.html sagu45094 Four-armed saguaro in bloom. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu45094.html sagu1240 Saguaro cactus flowers against blue sky. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1240.html sagu32801 Prickly ball on saguaro cactus, precursor of a new arm. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32801.html sagu1237 Saguaro cactus blooms. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1237.html sagu32823 Bark of old saguaro cactus. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32823.html sagu32829 Teddy-bear cholla cactus close-up. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32829.html sagu32818 Brittlebush and prickly pear cactus. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32818.html sagu32840 Mexican poppies and cactus squeleton. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32840.html sagu1220 Saguaro cacti forest on hillside, West Unit. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1220.html sagu25360 Dense forest of giant saguaro cactus. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu25360.html sagu32804 Circular Hohokam petroglyphs on Signal Hill. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32804.html sagu32809 Cactus, royal lupine, and brittlebush. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32809.html sagu21015 Saguaro cactus forest on hillside, morning, West Unit. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu21015.html sagu32835 Mature Saguaro cactus (Carnegiea gigantea) on a hill. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32835.html sagu32816 Cactus and carpet of yellow wildflowers, Rincon Mountain District. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32816.html sagu2193 Saguaro cacti forest on hillside, late afternoon, West Unit. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu2193.html sagu32849 Tall cactus on the slopes of Tucson Mountains, late afternoon. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32849.html sagu32820 Saguaro cactus silhouetted on hill at sunrise near Valley View overlook. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32820.html sagu32802 Circular Hohokam petroglyph. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32802.html sagu32803 Hohokam petroglyphs. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32803.html sagu32805 Hohokam petroglyphs on Signal Hill. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32805.html sagu32811 Sonoran desert in bloom, Tucson Mountain District. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32811.html sagu32821 Saguaro cactus and desert in bloom near Valley View overlook. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32821.html sagu32810 Lupine, saguaro cactus, and occatillo. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32810.html sagu25356 Sonoran desert landscape with sagaruo cactus. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu25356.html sagu32825 Brittlebush, cactus, and hills, Valley View overlook, morning. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32825.html sagu45082 Sonoran desert vegetation in spring. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu45082.html sagu45083 Sonoran cactus in bloom. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu45083.html sagu21014 Saguaro cacti (scientific name: Carnegiea gigantea), late afternoon. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu21014.html sagu1226 Cholla cactus on hillside. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1226.html sagu45079 Saguaro cactus with flowers at dusk. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu45079.html sagu25358 Sonoran desert scenery with cactus. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu25358.html sagu32853 Saguaro cactus at night with stary sky, Tucson Mountains. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32853.html sagu45084 Cactus slope and balanced rock. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu45084.html sagu45100 Palo Verde and saguaro with flowers. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu45100.html sagu45088 Desert slope with blooming saguaros. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu45088.html sagu45085 Saguaros (Carnegiea gigantea) in flower. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu45085.html sagu45087 Mature saguaro in bloom. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu45087.html sagu45091 Saguarao arms topped by creamy white flowers. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu45091.html sagu45099 Tops of saguaro cactus with blooms. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu45099.html sagu45097 Giant saguaro cactus with flowers on curving arm. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu45097.html sagu45098 Desert landscape framed by saguaro cactus. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu45098.html sagu45092 Tucson Mountains from Hugh Norris Trail. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu45092.html sagu45093 Saguaro forest on mountain slopes. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu45093.html sagu32847 Slope with saguaro cactus forest, Tucson Mountains. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32847.html sagu32850 Tall saguaro cactus on the slopes of Tucson Mountains, late afternoon. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32850.html sagu32846 Saguaro cacti on hillside, Hugh Norris Trail, late afternoon. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32846.html sagu32842 Hillside in spring with desert annual flowers, Hugh Norris Trail. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32842.html sagu32844 Tall saguaro cactus (scientific name: Carnegiea gigantea), Hugh Norris Trail. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32844.html sagu32841 Cactus on hillside in spring, Hugh Norris Trail. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32841.html sagu32848 Hikers descending Hugh Norris Trail amongst saguaro cactus, late afternoon. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32848.html sagu32843 Hiker and saguaro cactus, Hugh Norris Trail. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32843.html sagu32845 Hiking down Hugh Norris Trail amongst saguaro cactus. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32845.html sagu32851 Saguaro cactus at sunset, Hugh Norris Trail. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32851.html sagu45080 Ridge with saguaro cactus, mountain, and sunrays. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu45080.html sagu32855 Twin cactus at dawn near Ez-Kim-In-Zin. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32855.html sagu32856 Brittlebush and cactus at sunrise near Ez-Kim-In-Zin. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32856.html sagu32858 Brittlebush and backlit cactus at sunrise near Ez-Kim-In-Zin. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32858.html sagu32860 Tall cactus and Tucson Mountains, early morning. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32860.html sagu32861 Brittlebush and cactus near Ez-Kim-In-Zin, morning. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32861.html sagu25359 Saguaro cacti in arid landscape. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu25359.html sagu32862 Brittlebush and Saguaro cactus near Ez-Kim-In-Zin, morning. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32862.html sagu32863 Rocks, flowers and cactus with Panther Peak and Safford Peak in the background. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32863.html sagu32865 Rocks, flowers and cactus, morning. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32865.html sagu32836 Multi-armed sagurao cactus near Ez-Kim-In-Zin. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32836.html sagu32837 Cactus lupine, and mexican poppies with Panther Peak in the background, afternoon. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32837.html sagu32838 Lush desert with Cactus, mexican poppies, and palo verde near Ez-Kim-In-Zin. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32838.html sagu32839 Cactus, mexican poppies, and palo verde near Ez-Kim-In-Zin, afternoon. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32839.html sagu32854 Dense saguaro cactus forest at sunrise near Ez-Kim-In-Zin. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32854.html sagu1227 Saguaro cactus and moon, dawn. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1227.html sagu25362 Saguaro cactus silhouettes at sunset. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu25362.html sagu1221 Saguaro cacti forest on hillside, West Unit. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1221.html sagu45078 Red Hills Visitor Center. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu45078.html sagu21012 Palo Verde and saguaro cactus on hill. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu21012.html sagu21017 Saguaro cactus (Cereus giganteus), backlit with a rim of light. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu21017.html sagu25361 Cactus typical of the Sonoran desert. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu25361.html sagu21016 Ocatillo and saguaro cactus in valley. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu21016.html sagu21013 Cactus forest on hillside, Gates pass, morning. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu21013.html sagu1230 Saguaro cacti forest and occatillo on hillside, West Unit. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1230.html sagu25357 Hillside covered with Saguaro cactus. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu25357.html sagu1232 Saguaro cactus and Tucson Mountains. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1232.html sagu25355 Saguaro cactus on hill under pure blue sky. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu25355.html sagu1231 Palo verde and saguaro cactus on hillside. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1231.html sagu21011 Ocatillo and Saguaro cactus on hillside. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu21011.html sagu32813 Wildflowers and cactus, Mica View, Rincon Mountain District. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32813.html sagu32814 Grassy area near Mica View, Rincon Mountain District. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32814.html sagu32815 Cactus and carpet of yellow wildflowers, Rincon Mountain District. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32815.html sagu1222 Backlit Saguaro cactus. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1222.html sagu32834 Arm of a saguaro cactus. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32834.html sagu1234 Arms of Saguaro cactus. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1234.html sagu1241 Arms of blooming Saguaro cactus. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1241.html sagu2192 Saguaro cactus in bloom. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu2192.html sagu1235 Saguaro cactus with blooms. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1235.html sagu1249 Saguaro cactus trunk detail. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1249.html sagu1239 Saguaro cactus blooming. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1239.html sagu1238 Saguaro cactus flowers and arm. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1238.html sagu45090 Detail of saguaro arm with flowers. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu45090.html sagu45095 Saguaro with twisted arm and flowers. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu45095.html sagu45096 Giant saguaro with blooms on tip of arms. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu45096.html sagu45089 Tip of saguaro arm with pods and blooms. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu45089.html sagu1248 Saguaro cactus trunk close-up. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1248.html sagu32830 Skin of old saguaro cactus. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32830.html sagu45101 Woodpecker perched on top of saguaro cactus. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu45101.html sagu1236 Saguaro flower on top of cactus. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1236.html sagu1242 Saguaro cactus flower and bees. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1242.html sagu32824 Bark of old saguaro cactus. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32824.html sagu32827 Teddy-bear Cholla cactus and phacelia. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32827.html sagu32826 Cholla cactus, phacelia, and brittlebush. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32826.html sagu32828 Cholla cactus close-up. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32828.html sagu32831 Brittlebush and ocotilo. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32831.html sagu1243 Cactus detail. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1243.html sagu32807 Royal lupine blanketing the desert floor near Signal Hill. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32807.html sagu32833 Pencil cholla cactus. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32833.html sagu32832 Brittlebush and ocotilo. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32832.html sagu32800 Phacelia and prickly pear cactus. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32800.html sagu32799 Royal lupine and prickly pear cactus. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32799.html sagu32817 Pink wildflowers and prickly pear cactus. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32817.html sagu32819 Brittlebush and prickly pear cactus. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32819.html sagu1245 Occatillo detail. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1245.html sagu32808 Royal lupine and fairy duster. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32808.html sagu32812 Apricot mellow and prickly pear cactus. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32812.html sagu32822 Brittlebush and cactus. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32822.html sagu32806 Hohokam petroglyphs and brittlebush on Signal Hill. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32806.html