Brilliant orange clouds at sunset over red and white sandstone, White Pocket, Vermilion Cliffs National Monument, Arizona, United States of America, North America

Salto Chico and Cordillera del Paine, Torres del Paine National Park, Patagonia, Chile, South America

Red and white sandstone stripes at sunrise, Valley of Fire State Park, Nevada, United States of America, North America

Rust-colored volcanic tuff cliffs above a dark material filled glacier at Brown Bluff, eastern side of the Tabarin Peninsula, Weddell Sea, Antarctica, Polar Regions

Coloured earth, Mauritius, Africa

Eruption of Castle Geyser with rainbow in the spray, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Volcanic lava stream in the Hawaii Volcanoes National Park, UNESCO World Heritage Site, Big Island, Hawaii, United States of America, Pacific

Highway 24 by the Castle, Capitol Reef National Park, Utah, United States of America, North America

Cliffs at sunset, Paria Movie Set, Grand Staircase-Escalante National Monument, near Page, Arizona, United States of America, North America

Ponderosa pine on sandstone cone, Zion National Park, Utah, United States of America, North America

Arches National Park, Moab, Grand County, Utah, United States of America, North America

Totem Pole and Yei Bi Chei rock formations and sand dunes, Monument Valley, Arizona, United States of America, North America

Landscape Arch, Devils Garden, Arches National Park, Utah, United States of America, North America

Red sandstone formations in Red Canyon, Dixie National Forest, Utah, United States of America, North America

Ama Dablam from trail between Namche Bazaar and Everest View Hotel, Nepal, Himalayas, Asia

Summit of Kala Patthar looking to Pumo Ri, Sagarmatha National Park, UNESCO World Heritage Site, Solukhumbu District, Nepal, Himalayas, Asia

Stone wall of the Window section, Arches National Park, Utah, United States of America, North America

The Cliff Palace Indian dwelling, Mesa Verde National Park, UNESCO World Heritage Site, Colorado, United States of America, North America

The Giant's Causeway rises out of the Atlantic late at night as the last light of the sun disappears below the horizon, County Antrim, Northern Ireland, United Kingdom, Europe

A view of the island of Deserta Grande, in the Ilhas Desertas, near the city of Funchal, Madeira, Portugal, Atlantic, Europe

Ischigualasto Provincial Park, UNESCO World Heritage Site, San Juan Province, Argentina, South America

Machuca Village, Atacama Desert, Chile, South America

Valley of the Gods, Bears Ears National Monument, Utah, United States of America, North America

View over the cliffs of the Zion National Park and the Angel's Landing trail, Zion National Park, Utah, United States of America, North America

Sennen Cove, Whitesand Bay, Cornwall, England, United Kingdom, Europe

Stormy winter evening at Soar Mill Cove in the South Hams, Devon, England, United Kingdom, Europe

Rugged coast beneath Start Point lighthouse in winter, South Hams, Devon, England, United Kingdom, Europe

Uruguay. Punta del este, playa brava. Children playing

Roque de Agando, Garajonay National Park, UNESCO World Heritage Site, La Gomera, Canary Islands, Spain, Atlantic, Europe

Pico del Teide, 3718m, highest mountain in Spain, Teide National Park, UNESCO World Heritage Site, Tenerife, Canary Islands, Spain, Atlantic, Europe

The sandstone cliffs of the King George River, Koolama Bay, Kimberley, Western Australia, Australia, Pacific

Above and below view of ice melt waterfall cascading down in Svartisen National Park, Melfjord, Nordfjord, Norway, Scandinavia, Europe

Fog shrouds the Skellig Islands, Great Skellig Michael in the foreground, Little Skellig behind, County Kerry, Munster, Irish Sea, Republic of Ireland, Europe

Badlands with yellow, tan, and purple dirt, Vermilion Cliffs National Monument, Arizona, United States of America, North America

Unconformity of older Jurassic sediments and Pliocene limestone plus later lava on top at Caleta Negra, Ajuy, Fuerteventura, Spain, Atlantic, Europe

Jackson Lake in the Teton range in the Grand Teton National Park, Wyoming, United States of America, North America

Main crater of Masaya Volcano caldera, Nicaragua's first national park, its vent is usually shrouded in smoke, Masaya, Nicaragua, Central America

Red Beach in Akrotiri, Santorini, Greece, Europe

Purple stains in sandstone, Coyote Buttes Wilderness, Vermilion Cliffs National Monument, Arizona, United States of America, North America

Purple loops in sandstone, Coyote Buttes Wilderness, Vermilion Cliffs National Monument, Arizona, United States of America, North America

Hikers out on the Atacama Salt Flats, with snow-capped volcanic peak in the background, near San Pedro de Atacama, Chile, South America

Antelope Canyon, Arizona, United States of America, North America

Beautiful rock arch, Ennedi Plateau, UNESCO World Heritage Site, Ennedi region, Chad, Africa

Long tail boats on Tonsai beach and karst landscape in Railay, Ao Nang, Krabi Province, Thailand, Southeast Asia, Asia

Sunset over Grand Canyon South Rim, UNESCO World Heritage Site, Arizona, United States of America, North America

Mesa Arch, Canyonlands National Park, Moab, Utah, United States of America, North America

Park Avenue, Arches National Park, Moab, Utah, United States of America, North America

Elephant Butte, Arches National Park, Moab, Utah, United States of America, North America

Valley of Fire State Park, Nevada, United States of America, North America

Sandstone buttes in Monument Valley Navajo Tribal Park on the Arizona-Utah border, United States of America, North America

Antelope Canyon, Navajo Tribal Park, Page, Arizona, United States of America, North America

Antelope Canyon, Navajo Tribal Park, Page, Arizona, United States of America, North America

Antelope Canyon, Navajo Tribal Park, Page, Arizona, United States of America, North America

Antelope Canyon, Navajo Tribal Park, Page, Arizona, United States of America, North America

Uttakleiv Beach covered with snow, Vestvagoy, Lofoten Islands, Nordland, Arctic, Norway, Europe

Grand Canyon South Rim viewed from Cedar Ridge along the South Kaibab Trail, UNESCO World Heritage Site, Arizona, United States of America, North America

Loch Coruisk, Isle of Skye, Inner Hebrides, Scotland, United Kingdom, Europe

Milky Way and Jupiter beyond a majestic sea stack at Ladram Bay, Sidmouth, Devon, England, United Kingdom, Europe

Beautiful eroded rocks at Plage de San Giovanni, Corsica, France, Mediterranean, Europe

Half Dome, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America

Lands End, Cornwall, England, United Kingdom, Europe

Bedruthan Steps, Cornwall, England, United Kingdom, Europe

Mountain reflection, Ersfjord, Senja, Norway, Scandinavia, Europe

Aerial of the rugged mountain landscape of the Quiraing, Isle of Skye, Inner Hebrides, Scotland, United Kingdom, Europe

Rock formations known as The Mittens on the Navajo Tribal Reservation in Monument Valley, on the Utah Arizona border, USA

Huge boulders known as the Devil's Marbles in the Northern Territory, Australia, Pacific

A glacier near Puerto Natales in Chilean Fjordland, Magallanes, Chile, South America

El Tatio Geyser in the San Pedro de Atacama, Chile, South America

Huge arch in the Natural Bridges State Park, Newfoundland, Canada, North America

Bay Cala de Sa Calobra, Majorca (Mallorca), Balearic Islands (Islas Baleares), Spain, Mediterranean, Europe

Mount Bromo volcanic crater at sunrise, Bromo Tengger Semeru National Park, Java, Indonesia, Southeast Asia, Asia

Sandstone formation, Coyote Buttes Wilderness, Vermilion Cliffs National Monument, Arizona, United States of America, North America

Sandstone formations at first light with a sunburst, Coyote Buttes Wilderness, Vermilion Cliffs National Monument, Arizona, United States of America, North America

Abyss Pool, one of Yellowstone's deepest, West Thumb Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Sandstone forms at dawn, Valley of Fire State Park, Nevada, United States of America, North America

Hoodoos and pine trees with snow lit by late afternoon sun in winter, near Sunrise Point, Bryce Canyon National Park, Utah, United States of America, North America

Hoodoos with snow lit by late afternoon sun, from Rim Trail near Sunset Point, Bryce Canyon National Park, Utah, United States of America, North America

Snowy cliffs from Peekaboo Loop Trail, Bryce Canyon National Park, Utah, United States of America, North America

View over the redrock sandstone formations in the Valley of Fire State Park, Nevada, United States of America, North America

Half Dome at sunset, Olmsted Point, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America

Hua Shan, a granite peaked mountain of 2160m, Shaanxi Province, China, Asia

Hua Shan, a granite peaked mountain of 2160m, Shaanxi Province, China, Asia

Anse Source D'argent, La Digue , Seychelles

The Castle and Fremont River, Capitol Reef National Park, Utah, United States of America, North America

People on trail, Bryce Canyon National Park, Utah, United States of America, North America

Phallic pillars known as fairy chimneys in the valley known as Love Valley near Goreme in Cappadocia, Anatolia, Turkey, Asia Minor, Eurasia

Eruption, Tolbachik volcano, Kamchatka, Russia, Eurasia

Peaks of Mount Liskamm and Breithorn as viewed from the Gornergrat, Zermatt, Valaid, Switzerland, Europe

Scala dei Turchi silhouetted at sunset, Realmonte, Agrigento, Sicily, Italy, Mediterranean, Europe

Ama Dablam from trail between Namche Bazaar and Everest View Hotel, Nepal, Himalayas, Asia

Sand dunes, Maspalomas, Gran Canaria, Canary Islands, Spain, Atlantic, Europe

The huge caldera of the Crater Lake National Park, Oregon, United States of America, North America

Multicoloured strata hill in the Painted Hills unit in the John Day Fossil Beds National Monument, Oregon, United States of America, North America

View over the Sawtooth National Forest north of Sun Valley, Idaho, United States of America, North America

A climber scales cliffs at Indian Creek in the Utah Desert, Canyonlands National Park, Utah, United States of America, North America

Tourists at Laguna Chaxa, Salar de Atacama, Atacama Desert, Chile, South America

Sunset over the dramatic coast of North Devon, England, United Kingdom, Europe

Balanced Rock, Arches National Park, Utah, United States of America, North America

Aerial view of the salt pans and lighthouse at Faro de Fuencaliente. UNESCO Biosphere Site, La Palma, Canary Islands, Spain, Atlantic, Europe

Hierve el Agua petrified waterfall in Oaxaca, Mexico, North America