832-123922 - Sapphire Pool, geyser, Biscuit Basin, Upper Geyser Basin, Yellowstone National Park, Wyoming, United States of America, USA

832-123931 - Tourists on a boardwalk amidst the steam of the springs and geysers, Black Sand Basin, Upper Geyser Basin, Yellowstone National Park, Wyoming, United States of America, USA

832-124288 - Sunset at Grand Canyon North Rim, Cape Royal, Arizona, USA

832-124393 - Rock formations and hoodoos in the morning, Sunrise Point, Bryce Canyon National Park, Utah, United States, America

832-124381 - Landscape Arch rock formation in the morning in a stormy atmosphere, Arches National Park, Utah, United States, America

832-124435 - Rock formations and hoodoos in the evening, Bryce Canyon National Park, Sunset Point, Utah, USA, America

832-124425 - Rock formations and hoodoos in the evening, Bryce Canyon National Park, Sunset Point, Utah, USA, America

832-124426 - Rock formations and hoodoos in the evening, Bryce Canyon National Park, Sunset Point, Utah, USA, America

832-124416 - View towards the rocks with the Turret Arch at sunrise, Arches National Park, Utah, Southwest USA

832-124290 - Sunrise at Grand Canyon North Rim, Toroweap Point, Arizona, USA

832-124412 - Panorama view, Landscape Arch at sunrise and approaching thunderstorm, Arches National Park, South West, USA

832-124384 - Balanced Rock rock formation in the morning, Arches National Park, Utah, United States, America

832-124378 - Rock formations and hoodoos, Bryce Canyon in the morning, Bryce Point, Utah, United States, America

832-124382 - Landscape Arch rock formation in the morning in a stormy atmosphere, Arches National Park, Utah, United States, America

832-124411 - Rock formations and hoodoos, Bryce Canyon at sunrise, Bryce Point, Utah, Southwest, USA

832-124303 - Looking through the North Window at the Buttes in Monument Valley, Arizona, USA, America, America

832-124387 - Morning at Yaki Point, Grand Canyon South Rim, South Rim, Arizona, United States, America

832-124291 - Grand Canyon North Rim, Toroweap Point, Colorado River, Arizona, USA

832-124386 - Turret Arch rock formation, Arches National Park, Utah, United States, America

832-124289 - Sunset at Grand Canyon North Rim, Bright Angel Point, Arizona, USA

832-124294 - Rock shapes, colours and structures in Antelope Slot Canyon, Arizona, USA

832-124434 - Morning at Lipan Point, Colorado River, Grand Canyon South Rim, South Rim, Arizona, USA, America

832-124424 - Evening at Yavapai Point, Grand Canyon South Rim, South Rim, Arizona, USA, America

832-124427 - Rock formations and hoodoos in the evening, Bryce Canyon National Park, Sunset Point, Utah, USA, America

832-124284 - Balanced Rocks, Marble Canyon, Lee's Ferry, Arizona, USA

832-124379 - Rock formations and hoodoos, Bryce Canyon in the morning, Bryce Point, Utah, United States, America

832-124430 - Thor's Hammer at dawn, Sunrise Point, Bryce Canyon National Park, Utah, USA, America

832-124431 - Thor's Hammer at dawn, Sunrise Point, Bryce Canyon National Park, Utah, USA, America

832-124305 - Sunrise with Totem Pole rock formation in backlight, Monument Valley, Arizona, USA, America

832-124281 - Stones coloured green by copper oxide, Marble Canyon, Arizona, USA

832-124392 - Thor's Hammer rock formation in the morning, Sunrise Point, Bryce Canyon National Park, Utah, United States, America

832-124304 - Sunrise with Totem Pole rock formation in backlight, Monument Valley, Arizona, USA, America

832-124297 - Moccasin Arch rock formation, Monument Valley, Arizona, USA, America

832-124298 - Moccasin Arch rock formation, Monument Valley, Arizona, USA, America

832-124201 - Moraine of the Athabasca Glacier, Columbia Icefield, Icefields Parkway, Jasper National Park, Canadian Rockies, Alberta, Canada

832-124438 - Rock formations and hoodoos in the evening, Bryce Canyon National Park, Sunset Point, Utah, USA, America

832-124423 - Evening at Yavapai Point, Grand Canyon South Rim, South Rim, Arizona, USA, America

832-124390 - Rock formations and hoodoos in the morning, Sunrise Point, Bryce Canyon National Park, Utah, United States, America

832-124307 - Totem Pole rock formation in the morning, Monument Valley, Arizona, USA, America

832-124437 - Rock formations and hoodoos in the evening, Bryce Canyon National Park, Sunset Point, Utah, USA, America

832-124391 - Thor's Hammer rock formation in the morning, Sunrise Point, Bryce Canyon National Park, Utah, United States, America

832-124296 - Moccasin Arch rock formation, Monument Valley, Arizona, USA, America

832-124429 - Rock formations and hoodoos in the evening, Bryce Canyon National Park, Sunset Point, Utah, USA, America

832-124414 - Shafer Canyon in evening light, Canyonlands National Park, Utah, Southwest, USA

832-124436 - Rock formations and hoodoos in the evening, Bryce Canyon National Park, Sunset Point, Utah, USA, America

832-124287 - Sunset at Grand Canyon North Rim, Cape Royal, Arizona, USA

832-124432 - Thor's Hammer at dawn, Sunrise Point, Bryce Canyon National Park, Utah, USA, America

832-124389 - Morning at Lipan Point, Colorado River, Grand Canyon South Rim, Arizona, United States, America

832-124385 - Looking through the North Window rock arch in the morning on the Turret Arch rock formation, Arches National Park, Utah, United States, America

832-124380 - Panorama, Shafer Canyon in the evening light, Canyonlands National Park, Utah, United States, America

832-124417 - Rock formations and hoodoos in Bryce Canyon at sunset, Sunset Point, Utah, Southwest, USA

832-124410 - Rock formations and hoodoos, Bryce Canyon at sunrise, Bryce Point, Utah, Southwest, USA

832-124428 - Rock formations and hoodoos in the evening, Bryce Canyon National Park, Sunset Point, Utah, USA, America

832-123683 - Delicate Arch, rock arch, La Sal Mountains, Arches National Park, Moab, Utah, Southwestern United States, United States of America, USA

832-120441 - Travertine terraces of Pamukkale, UNESCO World Heritage Site, Denizli, Turkey, Asia

832-124061 - View over Firehole River, Geyser Hill, Upper Geyser Basin, geothermal springs in Yellowstone National Park, Wyoming, United States of America, USA

832-123921 - Coloured thermophilic bacteria, the outlet of Cliff Geyser, Fire Hole River, Black Sand Basin, Upper Geyser Basin, Yellowstone National Park, Wyoming, United States of America, USA

832-123693 - Balanced Rock, rock formation, evening mood, thunderstorm clouds, Arches National Park, Moab, Utah, Southwestern United States, United States of America, USA

832-123695 - Washer Woman Arch, Buck Canyon, at dawn, Island in the Sky, Canyonlands National Park, Moab, Utah, USA, America

832-123918 - Punch Bowl Spring, geyser, drainage area, coloured thermophilic bacteria, microorganisms, Black Sand Basin, Upper Geyser Basin, Yellowstone National Park, Wyoming, United States of America, USA

832-123967 - Drainage area of New Blue Spring Terrace, limestone sinter terraces, geysers, hot springs, colorful thermophilic bacteria, microorganisms, Mammoth Hot Springs Terraces in Yellowstone National Park, Wyoming, United States of America, USA

832-121376 - Sandstone rock formation at Tikobaouine, Tassili n'Ajjer National Park, Unesco World Heritage Site, Wilaya Illizi, Algeria, Sahara, North Africa

832-123932 - Tourists on a boardwalk amidst the steam of the springs and geysers, Black Sand Basin, Upper Geyser Basin, Yellowstone National Park, Wyoming, United States of America, USA

832-120498 - Limestone terraces of Pamukkale, UNESCO World Heritage site, Denizli, Turkey, Asia

832-123966 - Liberty Cap, extinct travertine cone geyser, Canary Spring Terrace, limestone sinter terraces, geysers, hot springs, Mammoth Hot Springs Terraces in Yellowstone National Park, Wyoming, United States of America, USA

832-123701 - Mesa Arch stone arch at sunrise, Island in the Sky, Canyonlands National Park, Moab, Utah, USA, America

832-123685 - Tourists taking pictures in front of Delicate Arch, rock arch, La Sal Mountains, Arches National Park, Moab, Utah, Southwestern United States, United States of America, USA

832-124060 - Eruption of the Old Faithful geyser, Upper Geyser Basin, geothermal springs in Yellowstone National Park, Wyoming, United States of America, USA

832-123969 - Canary Spring Terrace, limestone sinter terraces, geysers, hot springs, colorful thermophilic bacteria, Mammoth Hot Springs Terraces in Yellowstone National Park, Wyoming, United States of America, USA

832-123963 - Canary Spring Terrace, limestone sinter terraces, geysers, hot springs, colorful thermophilic bacteria, Mammoth Hot Springs Terraces in Yellowstone National Park, Wyoming, United States of America, USA

832-123978 - Minerva Spring Terrace, Lower Terraces, limestone sinter terraces, geysers, hot springs, Mammoth Hot Springs Terraces in Yellowstone National Park, Wyoming, United States of America, USA

832-123973 - Palette Spring Terrace, Lower Terraces, limestone sinter terraces, geysers, hot springs, colorful thermophilic bacteria, microorganisms, Mammoth Hot Springs Terraces in Yellowstone National Park, Wyoming, United States of America, USA

832-123977 - Mound and Jupiter Spring Terrace, Main Terrace, limestone sinter terraces, geysers, hot springs, Mammoth Hot Springs Terraces in Yellowstone National Park, Wyoming, United States of America, USA

832-123971 - Devil's Thumb, Palette Spring Street, Lower Terraces, limestone sinter terraces, geysers, hot springs, colorful thermophilic bacteria, microorganisms, petrified trees, Mammoth Hot Springs Terraces in Yellowstone National Park, Wyoming, United States of Am

832-123686 - Delicate Arch, rock arch, La Sal Mountains, Arches National Park, Moab, Utah, Southwestern United States, United States of America, USA

832-123965 - Petrified tree in New Blue Spring Terrace, limestone sinter terraces, steaming geysers, hot springs, Mammoth Hot Springs Terraces in Yellowstone National Park, Wyoming, United States of America, USA

832-120443 - Wooden path, travertine terraces of Pamukkale, UNESCO World Heritage Site, Denizli, Turkey, Asia

832-124063 - Chromatic Pool Geyser, stormy atmosphere, Upper Geyser Basin, geothermal springs in Yellowstone National Park, Wyoming, United States of America, USA

832-123964 - Petrified trees in New Blue Spring Terrace, limestone sinter terraces, steaming geysers, hot springs, Mammoth Hot Springs Terraces in Yellowstone National Park, Wyoming, United States of America, USA

832-123687 - Rock formations of Turret Arch, rock arch, dramatic clouds, Arches National Park, Moab, Utah, Southwestern United States, United States of America, USA

832-123975 - Palette Spring Terrace, Lower Terraces, limestone sinter terraces, geysers, hot springs, colorful thermophilic bacteria, microorganisms, Mammoth Hot Springs Terraces in Yellowstone National Park, Wyoming, United States of America, USA

832-123934 - Tourists taking photos while on a boardwalk amidst the steam of the springs and geysers, Black Sand Basin, Upper Geyser Basin, Yellowstone National Park, Wyoming, United States of America, USA

832-123919 - Punch Bowl Spring, geyser, drainage area, coloured thermophilic bacteria, microorganisms, Black Sand Basin, Upper Geyser Basin, Yellowstone National Park, Wyoming, United States of America, USA

832-123694 - Balanced Rock, rock formation, thunderstorm clouds, lightning, Arches National Park, Moab, Utah, Southwestern United States, United States of America, USA

832-123699 - Green River Overlook, The Maze, Canyonlands National Park, Moab, Utah, USA, America

832-124062 - View over Upper Geyser Basin, geothermal springs in Yellowstone National Park, Wyoming, United States of America, USA

832-123711 - River bend, Gooseneck, Canyon, Colorado River, Dead Horse Point State Park, Utah, USA, America

832-123700 - Mesa Arch stone arch, Island in the Sky, Canyonlands National Park, Moab, Utah, USA, America

832-120446 - Travertine terraces of Pamukkale, UNESCO World Heritage Site, Denizli, Turkey, Asia

832-123684 - Delicate Arch, rock arch, La Sal Mountains, Arches National Park, Moab, Utah, Southwestern United States, United States of America, USA

832-124059 - Eruption of the Old Faithful geyser, Upper Geyser Basin, geothermal springs in Yellowstone National Park, Wyoming, United States of America, USA

832-123691 - Rock formations of Turret Arch, rock arch, Elephant Butte, North Window, South Window, La Sal Mountains at the back, dramatic clouds, Arches National Park, Moab, Utah, Southwestern United States, United States of America, USA

832-123972 - Devil's Thumb, Palette Spring Street, Lower Terraces, limestone sinter terraces, geysers, hot springs, colorful thermophilic bacteria, microorganisms, petrified trees, Mammoth Hot Springs Terraces in Yellowstone National Park, Wyoming, United States of Am

832-123976 - Boardwalk on Mound and Jupiter Spring Terrace, Main Terrace, limestone sinter terraces, geysers, hot springs, Mammoth Hot Springs Terraces in Yellowstone National Park, Wyoming, United States of America, USA

832-123690 - Rock formations of Turret Arch, rock arch, Elephant Butte, North Window, South Window, Balanced Rock, Arches National Park, Moab, Utah, Southwestern United States, United States of America, USA

832-123692 - Balanced Rock, rock formation, Arches National Park, Moab, Utah, Southwestern United States, United States of America, USA

832-123697 - Buck Canyon, Island in the Sky, Canyonlands National Park, Moab, Utah, USA, America

832-123689 - Tower of Babel rock formation, Park Avenue Trail, Arches National Park, Moab, Utah, Southwestern United States, United States of America, USA

832-120442 - Travertine terraces of Pamukkale, UNESCO World Heritage Site, Denizli, Turkey, Asia

832-123710 - River bend, Gooseneck, Canyon, Colorado River, Dead Horse Point State Park, Utah, USA, America