Tree and narrow canyon. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca8494.html Oneonta Falls at the end of Oneonta Gorge. Columbia River Gorge, Oregon, USA http://www.terragalleria.com/america/oregon/columbia-river-gorge/picture.usor37600.html Virgin River flowing over stones in the Narrows. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion8601.html Douglas Fir in Wall Street Gorge, mid-day. Bryce Canyon National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.brca0848.html Hikers climbing in a narrow side canyon. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva5802.html Oneonta Gorge and falls. Columbia River Gorge, Oregon, USA http://www.terragalleria.com/america/oregon/columbia-river-gorge/picture.usor37603.html Entrance of Deer Creek Narrows. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca8495.html Rock alcove and Virgin River, the Narrows. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion8604.html Titus Canyon Narrows. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva45225.html Navajo Trail descending between Hoodoos. Bryce Canyon National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.brca0852.html Entrance of the Subway, Left Fork of the North Creek. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion5473.html Stream and slot-like canyon walls, Oneonta Gorge. Columbia River Gorge, Oregon, USA http://www.terragalleria.com/america/oregon/columbia-river-gorge/picture.usor37610.html Stream in Deer Creek Narrows. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca8497.html Cars in narrows, Titus Canyon. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva45226.html Hikers descending trail in Wall Street Gorge. Bryce Canyon National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.brca0855.html Wall Street, the Narrows. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion8614.html Deer Creek flows into a narrow canyon. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca8493.html Hikers wading, Oneonta Gorge. Columbia River Gorge, Oregon, USA http://www.terragalleria.com/america/oregon/columbia-river-gorge/picture.usor37595.html Patterned wall and road, Titus Canyon. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva45229.html Hikers in Wall Street Gorge. Bryce Canyon National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.brca0854.html Entrance of the Subway, Left Fork of the North Creek. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion5471.html Mouth of Titus Canyon and valley. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva45230.html Oneonta Falls. Columbia River Gorge, Oregon, USA http://www.terragalleria.com/america/oregon/columbia-river-gorge/picture.usor37599.html Glowing walls and tree along Navajo Trail. Bryce Canyon National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.brca0849.html Hikers dwarfed by the walls of Wall Street, the Narrows. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion8615.html Stream and moss-covered walls, Oneonta Gorge. Columbia River Gorge, Oregon, USA http://www.terragalleria.com/america/oregon/columbia-river-gorge/picture.usor37607.html Hikers surrounded by tall walls in Golden Canyon. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva5800.html Douglas Fir in Wall Street Gorge, mid-day. Bryce Canyon National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.brca20265.html Cliffs near the Subway, Left Fork of the North Creek. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion5474.html Narrow canyon, Oneonta Gorge. Columbia River Gorge, Oregon, USA http://www.terragalleria.com/america/oregon/columbia-river-gorge/picture.usor37589.html Hikers at the base of tall tree in Wall Street Gorge. Bryce Canyon National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.brca0853.html Hiker in Golden Canyon. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva5799.html Dark canyon at Wall Street, the Narrows. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion8611.html Oneonta Gorge. Columbia River Gorge, Oregon, USA http://www.terragalleria.com/america/oregon/columbia-river-gorge/picture.usor37592.html Riverbend in the Narrows. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion8606.html Water flowing in pools in the Subway, Left Fork of the North Creek. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion5478.html Narrow canyon carved in tunnel-like shape, the Subway. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion20253.html Water flowing in pools in Subway, Left Fork of the North Creek. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion20250.html Pools and slot canyon rock walls, the Subway. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion20254.html Canyoneer rappelling alongside Mystery Falls, the Narrows. Zion National Park, Utah http://www.terragalleria.com/mountain/mountain-image.zion8616.html Virgin River in Narrows. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion8602.html Tall sandstone walls of Wall Street, the Narrows. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion8613.html Alcove and Virgin River in the Narrows. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion8605.html Virgin River flowing between rock walls of Wall Street, the Narrows. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion8609.html Virgin River at Wall Street, the Narrows. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion8610.html Slot canyon like walls, Wall Street, the Narrows. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion8608.html Entrance of the Subway, Left Fork of the North Creek. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion5472.html Mystery falls flowing into the Virgin River, the Narrows. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion20248.html Water flowing in pools in the Subway, Left Fork of the North Creek. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion5476.html Pools and fallen leaves in autumn, the Subway. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion20251.html Mystery Falls, the Narrows. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion8600.html North Creek flowing over fallen leaves, the Subway. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion20252.html Virgin River and steep canyon walls in the Narrows. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion8603.html Tall walls in the Narrows. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion8607.html Virgin River and rock walls, Narrows. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion20249.html Canyoneers in wetsuits rappel down walls of the Subway. Zion National Park, Utah http://www.terragalleria.com/mountain/mountain-image.zion5482.html The Subway, a tunnel shaped like a round tube, Left Fork of the North Creek. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion5475.html Section of the Narrows called Wall Street. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion8612.html