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South Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Eruption of Riverside Geyser seen from Firehole River bridge, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Erupting geyser and Old Faithful Inn, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
A low sun lights Brahma and Zoroaster temples and the cliff below Hopi Point with the metamorphic Vishnu basement rocks below, Grand Canyon, UNESCO World Heritage Site, Arizona, United States of America, North America
Steps leading down to Durdle Door on the Jurassic Coast, UNESCO World Heritage Site, Dorset, England, United Kingdom, Europe
Morning Glory Pool in Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Giant's Causeway, UNESCO World Heritage Site, Bushmills, County Antrim, on the north coast of Northern Ireland. Ulster, Northern Ireland, United Kingdom, Europe
The karst limestone formation at Parc National des Tsingy de Bemaraha, UNESCO World Heritage Site, Tsiribihina region, Madagascar, Africa
Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Sawmill Geyser erupts, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Female tourist on boardwalk by the Morning Glory Pool, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
First light illuminates an old gnarled tree embedded in rocks with unsurpassed views of the Grand Canyon below, UNESCO World Heritage Site, Arizona, United States of America, North America
Las Serenitas, wind and wave erosion sculptures, Cabo Pulmo, UNESCO World Heritage Site, Baja California, Mexico, North America
Jungman Daepo columnar jointed lava formation, Seogwipo, Jeju Island, UNESCO World Heritage Site, South Korea, Asia
Norris Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Cliffs of Espanola Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America
Emerald Pool, Black Sand Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Bright colours and steam, Grand Prismatic Spring, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Mud Volcano Area, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Echidna Chasm Walk, Purnululu National Park, UNESCO World Heritage Site, Bungle Bungle Range, Western Australia, Australia, Pacific
Mesa Verde National Park, Cliff Palace, UNESCO World Heritage Site, Colorado, United States of America, North America
Mesa Verde National Park, Cliff Palace, UNESCO World Heritage Site, Colorado, United States of America, North America
Dried mud flats, Cormorant Point, Floreana Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America
Falls on the Kicking Horse River, Yoho National Park, UNESCO World Heritage Site, British Columbia, Canada, North America
View from Aktepe Hill at sunset over Red Valley, Goreme National Park, UNESCO World Heritage Site, Cappadocia, Anatolia, Turkey, Asia Minor, Eurasia
Echidna Chasm, Purnululu National Park, UNESCO World Heritage Site, Bungle Bungle Mountain Range, Western Australia, Australia, Pacific
Mount Lidgbird and Mount Gower, Lord Howe Island, UNESCO World Heritage Site, Australia, Tasman Sea, Pacific
Rock petroglyphs in the sandstone rock at Twyfelfontein, UNESCO World Heritage Site, Namibia, Africa
Symphony of Stones basalt columns, UNESCO World Heritage Site, Garni, Kotayk Province, Armenia, Caucasus, Central Asia, Asia
Mesa Verde National Park, Cliff Palace, UNESCO World Heritage Site, Colorado, United States of America, North America
Mount Sanbangsan, Jeju Island, UNESCO World Heritage Site, South Korea, Asia
Layers of colored rocks, Teide National Park, UNESCO World Heritage Site, Tenerife, Canary Islands, Spain, Atlantic, Europe
Tourists at Mather Point, early morning, South Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Elevated view of Doublet Pool, Firehole River and Castle Geyser, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Sandstone hills in The Domes area of Purnululu National Park (Bungle Bungle), UNESCO World Heritage Site, Western Australia, Australia, Pacific
Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Sigiriya (Lion Rock), UNESCO World Heritage Site, Sri Lanka, Asia
Grand Geyser erupts and steam blocks the sun, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Little boats lying in the grass in front of Mount Lidgbird and Mount Gower in the background, Lord Howe Island, UNESCO World Heritage Site, Australia, Tasman Sea, Pacific
Excelsior Geyser Crater, Midway Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
El Capitan rising above Yosemite Valley from Tunnel View, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Steps leading up Sigiriya (Lion Rock), UNESCO World Heritage Site, Sri Lanka, Asia
Eruption of Castle Geyser, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Maloe More (Little Sea), frozen lake during winter, Olkhon island, Lake Baikal, UNESCO World Heritage Site, Irkutsk Oblast, Siberia, Russia, Eurasia
Dry river before the the beehive-like mounds in the Purnululu National Park, UNESCO World Heritage Site, Bungle Bungle mountain range, Western Australia, Australia, Pacific
Couple in the Cathedral Gorge in the Purnululu National Park, UNESCO World Heritage Site, Bungle Bungle mountain range, Western Australia, Australia, Pacific
Dry river and the beehive-like mounds in the Purnululu National Park, UNESCO World Heritage Site, Bungle Bungle mountain range, Western Australia, Australia, Pacific
Tourists exploring an old lava flow from an eruption of Mount Etna Volcano, UNESCO World Heritage Site, Sicily, Italy, Europe
Thingvellir National Park, UNESCO World Heritage Site, Iceland, Polar Regions
Symphony of Stones basalt columns, UNESCO World Heritage Site, Garni, Kotayk Province, Armenia, Caucasus, Central Asia, Asia
Pinwheel Geyser, Porcelain Basin, Norris Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Mount Fitz Roy (Cerro Chalten), a typical Patagonia landscape, Los Glaciares National Park, UNESCO World Heritage Site, El Chalten, Argentina, South America
Emerald Spring in Norris Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
The beehive-like mounds in the Purnululu National Park, UNESCO World Heritage Site, Bungle Bungle Mountain Range, Western Australia, Australia, Pacific
Echidna Chasm, Purnululu National Park, UNESCO World Heritage Site, Bungle Bungle Mountain Range, Western Australia, Australia, Pacific
Tourists exploring an old lava flow from an eruption of Mount Etna Volcano, UNESCO World Heritage Site, Sicily, Italy, Europe
El Capitan, a 3000 feet granite monolith, with the Merced River flowing through the flooded meadows of Yosemite Valley, Yosemite National Park, UNESCO World Heritage Site, Sierra Nevada, California, United States of America, North America
Landscape at Teide National Park, UNESCO World Heritage Site, Tenerife, Canary Islands, Spain, Atlantic, Europe
Desert View Watchtower, Grand Canyon National Park, UNESCO World Heritage Site, Northern Arizona, United States of America, North America
An evening view of the Giant's Causeway, UNESCO World Heritage Site, County Antrim, Ulster, Northern Ireland, United Kingdom, Europe
Chalk stacks and cliffs at Old Harry Rocks, between Swanage and Purbeck, Dorset, Jurassic Coast, UNESCO World Heritage Site, England, United Kingdom, Europe
Sandstone hills in The Domes area of Purnululu National Park (Bungle Bungle), UNESCO World Heritage Site, Western Australia, Australia, Pacific
Aerial of the crater of Mount Ngauruhoe, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific
Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Falls on the Kicking Horse River, Yoho National Park, UNESCO World Heritage Site, British Columbia, Canada, North America
Badlands, Dinosaur Provincial Park, UNESCO World Heritage Site, Alberta, Canada, North America
Grand Tsingy, Tsingy du Bemaraha National Park, UNESCO World Heritage Site, western area, Madagascar, Africa
An evening view of the Giant's Causeway, UNESCO World Heritage Site, County Antrim, Ulster, Northern Ireland, United Kingdom, Europe
An evening view of the Giant's Causeway, UNESCO World Heritage Site, County Antrim, Ulster, Northern Ireland, United Kingdom, Europe
Eruption of Riverside Geyser, Firehole River, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Sandstone hills in The Domes area of Purnululu National Park (Bungle Bungle), UNESCO World Heritage Site, Western Australia, Australia, Pacific
Beauty Pool, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Dry river before the the beehive-like mounds in the Purnululu National Park, UNESCO World Heritage Site, Bungle Bungle mountain range, Western Australia, Australia, Pacific
Looking into the ancient metropolis of the Grand Canyon from Mohave Point complete with temples, peaks, plateaus and buttes, Grand Canyon, UNESCO World Heritage Site, Arizona, United States of America, North America
El Capitan, a 3000 feet granite monolith, with the Merced River flowing through Yosemite Valley, Yosemite National Park, UNESCO World Heritage Site, Sierra Nevada, California, United States of America, North America
The Olgas (Kata Tjuta), Uluru-Kata Tjuta National Park, UNESCO World Heritage Site, Northern Territory, Australia, Pacific
Afternoon thunderstorm, South Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Yellowstone River near Calcite Springs, Yellowstone National Park, UNESCO Wortld Heritage Site, Wyoming, United States of America, North America
A view from the base of Sigiriya (Lion Rock), UNESCO World Heritage Site, Sri Lanka, Asia
Mount Etna Volcano, UNESCO World Heritage Site, Sicily, Italy, Europe
Symphony of Stones basalt columns, UNESCO World Heritage Site, Garni, Kotayk Province, Armenia, Caucasus, Central Asia, Asia
Artemesia Geyser Pool, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Aerial photo of Colorado River and the Grand Canyon from Papillon Helicopter, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Riverside Geyser, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Abyss Pool, West Thumb Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Ephedra spring, West Thumb Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
South Kaibab Trailhead overlook, South Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
The Olgas (Kata Tjuta), Uluru-Kata Tjuta National Park, UNESCO World Heritage Site, Northern Territory, Australia, Pacific
The Olgas (Kata Tjuta), Uluru-Kata Tjuta National Park, UNESCO World Heritage Site, Northern Territory, Australia, Pacific
Firehole Spring, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Mount Etna Volcano, with a lava field in the foreground, UNESCO World Heritage Site, Sicily, Italy, Europe
Alcantara River running through the Alcantara Gorge on Mount Etna Volcano, UNESCO World Heritage Site, Sicily, Italy, Europe
Mesa Verde National Park, Spruce Tree House, UNESCO World Heritage Site, Colorado, United States of America, North America
Sunrise at Mather Point, South Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
The Olgas (Kata Tjuta), Uluru-Kata Tjuta National Park, UNESCO World Heritage Site, Northern Territory, Australia, Pacific
Yellowstone River near Calcite Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Lembert Dome, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Aerial of the colourful Tama Lakes in the Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific
Castle Geyser at sunset, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Road leading to the Purnululu National Park, UNESCO World Heritage Site, Bungle Bungle mountain range, Western Australia, Australia, Pacific