Kiva in Balcony House. Mesa Verde National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.meve0820.html Great Kiva and cliff at sunset, Pueblo Bonito. Chaco Culture National Historic Park, New Mexico, USA http://www.terragalleria.com/america/new-mexico/chaco-canyon/picture.usnm44068.html Round house kiva and homes, Picuris Pueblo. New Mexico, USA http://www.terragalleria.com/america/new-mexico/taos-high-road/picture.usnm43865.html Spruce Tree house, ancestral pueblan ruin. Mesa Verde National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.meve0808.html Ancient pueblo. Chaco Culture National Historic Park, New Mexico, USA http://www.terragalleria.com/america/new-mexico/chaco-canyon/picture.usnm44083.html Ladder through a smoke hole in Spruce Tree house. Mesa Verde National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.meve0811.html Rooms of Pueblo Bonito seen from above. Chaco Culture National Historic Park, New Mexico, USA http://www.terragalleria.com/america/new-mexico/chaco-canyon/picture.usnm44106.html Ladder emerging from Kiva and Spruce Tree house. Mesa Verde National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.meve0809.html Tourists inspecting the complex room arrangement of Pueblo Bonito. Chaco Culture National Historic Park, New Mexico, USA http://www.terragalleria.com/america/new-mexico/chaco-canyon/picture.usnm44105.html Long bean in Balcony House. Mesa Verde National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.meve0818.html Ceremonial Kiva in Pueblo Bonito. Chaco Culture National Historic Park, New Mexico, USA http://www.terragalleria.com/america/new-mexico/chaco-canyon/picture.usnm44085.html Kiva in Spruce Tree house. Mesa Verde National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.meve20136.html Tourists during a tour of Pueblo Bonito. Chaco Culture National Historic Park, New Mexico, USA http://www.terragalleria.com/america/new-mexico/chaco-canyon/picture.usnm44086.html Ladder through a smoke hole in Spruce Tree house. Mesa Verde National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.meve0810.html Kivas and rooms of Pueblo Bonito seen from above. Chaco Culture National Historic Park, New Mexico, USA http://www.terragalleria.com/america/new-mexico/chaco-canyon/picture.usnm44107.html Kiva in Balcony House, Chapin Mesa. Mesa Verde National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.meve0819.html Great house, Pueblo Bonito. Chaco Culture National Historic Park, New Mexico, USA http://www.terragalleria.com/america/new-mexico/chaco-canyon/picture.usnm44062.html Rooms, kivas, and plaza from above Pueblo Bonito. Chaco Culture National Historic Park, New Mexico, USA http://www.terragalleria.com/america/new-mexico/chaco-canyon/picture.usnm44109.html Spruce Tree house. Mesa Verde National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.meve21337.html Ancient pueblo complex layout seen from above. Chaco Culture National Historic Park, New Mexico, USA http://www.terragalleria.com/america/new-mexico/chaco-canyon/picture.usnm44108.html Rooms and kivas, Pueblo Bonito. Chaco Culture National Historic Park, New Mexico, USA http://www.terragalleria.com/america/new-mexico/chaco-canyon/picture.usnm44064.html Pueblo Bonito at the foot of Chaco Canyon northern rim. Chaco Culture National Historic Park, New Mexico, USA http://www.terragalleria.com/america/new-mexico/chaco-canyon/picture.usnm44069.html Pueblo Bonito, the largest of the Chacoan Great Houses. Chaco Culture National Historic Park, New Mexico, USA http://www.terragalleria.com/america/new-mexico/chaco-canyon/picture.usnm44084.html Kiva and multi-storied roomblocks, Pueblo Bonito. Chaco Culture National Historic Park, New Mexico, USA http://www.terragalleria.com/america/new-mexico/chaco-canyon/picture.usnm44067.html