Gallery USA Gallery USA Grand Canyon Arizona Arches National Park Utah Yellowstone National Park Wyoming W Rocky Mountains National Park Colorado Mt.Elbert 4,401 m – the highest peak in the Rocky Mountains NP Colorado Hiking to Longs Peak 4,346 m in the Rocky Mountains NP Colorado Natural Bridges National Monument Utah Canyonlands National Park Utah Glacier National Park Montana Olympic National Park Washington Mount St.Helens National Volcanic Monument Washington Yosemite National Park California Zion National Park Utah Redwood National Park California Sequoia and Kings Canyon NP California Organ Pipe Cactus National Monument Arizona Guadalupe Peak 8,751 ft (2,667m ) Texas Glen Canyon & Lake Powell National Recreation Area Utah