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Dead Wash Valley in Petrified Forest National Park, Arizona, United States of America
Cliff view of Dead Wash Valley in Petrified Forest National Park, Arizona, United States of America
Bibi Maryam Mausoleum at Qalhat, Sultanate of Oman, Arabian Peninsula
Classic Layered Limestone Formations of Pancake Rocks Framed by Dramatic Coastline, Punakaiki, West Coast, New Zealand
Inishmore, largest of the Aran Islands, Galway Bay, County Galway, Connacht, Republic of Ireland
Gardens in the Oasis of AlUla, Medina Province, Saudi Arabia
Jabal Ikmah Site, world's largest concentration of well-preserved Dadanitic inscriptions, 1st millennium BCE, AlUla, Medina Province, Saudi Arabia
Aerial view from hot air balloon over Hegra site and around, AlUla, Medina Province, Saudi Arabia
Aerial view from hot air balloon over Hegra site and around, AlUla, Medina Province, Saudi Arabia
Cave of Elafonisos island with orange rock color painted in white, Greece
Corinth Canal connecting the Gulf of Corinth in the Ionian Sea with the Saronic Gulf in the Aegean Sea, Greece
Corinth Canal connecting the Gulf of Corinth in the Ionian Sea with the Saronic Gulf in the Aegean Sea, Greece
Meteora, ancient holy Monastery of Rousanos Saint Barbara, UNESCO, Kalabaka, Greece
Meteora, ancient holy Monastery of Rousanos Saint Barbara, UNESCO, Kalabaka, Greece
Petrified forest, Agia Marina, Agios Nikolaos Geopark geological structures, Greece
Ancient theatre at the Asclepieion of Epidaurus, UNESCO, Peloponnese, Greece
Extraordinary sandstone rock structure called Dancing Rocks in the Sharaan Nature Reserve, AlUla, Medina Province, Saudi Arabia
Extraordinary sandstone rock structure called Dancing Rocks in the Sharaan Nature Reserve, AlUla, Medina Province, Saudi Arabia
Sharaan Nature Reserve, AlUla, Medina Province, Saudi Arabia
People watching Arak tree (Salvadora persica) at the foot of a fault in sandstone wall, Sharaan Nature Reserve, AlUla, Medina Province, Saudi Arabia
Balamku Archaeological Site, Campeche State, Mexico
The south entrance of the historic Johnson Canyon Railroad Tunnel, Kaibab National Forest of Arizona, USA
Interior view of the Johnson Canyon Railroad Tunnel, Kaibab National Forest of Arizona, USA
Interior view of the Johnson Canyon Railroad Tunnel, Kaibab National Forest of Arizona, USA
A dilapidated bridge along the Johnson Canyon Railroad, Kaibab National Forest of Arizona, USA
A narrow and overgrown section of the abandoned Johnson Canyon Railroad in the Kaibab National Forest of Arizona, USA
View from below the rim of the giant sinkhole known as Johnson Crater in the Kaibab National Forest near Ash Fork Arizona, USA
The giant sinkhole known as Johnson Crater in the Kaibab National Forest near Ash Fork Arizona, USA
Top view of the Stone Dam in the Kaibab National Forest, USA
Historical information sign at Stone Dam Lake in the Kaibab National Forest, Arizona, USA
Extraordinary sandstone rock structure called Dancing Rocks in the Sharaan Nature Reserve, AlUla, Medina Province, Saudi Arabia
Ancient symbols and rock carvings on a sandstone rock cliff in the Sharaan Nature Reserve, AlUla, Medina Province, Saudi Arabia
People at the Viewpoint on the Harrat volcanic plateau, AlUla, Medina Province, Saudi Arabia
Remarkable sandstone rock carved by erosion in the Ashar Valley, AlUla, Medina Province, Saudi Arabia
Stokla pass (4900), Hemis National Park, Ladakh region, state of Jammu and Kashmir, India, Asia
The Ossuary, Chichen Itza, Yucatan State, Mexico
Cenote Xkeken, Dzitnup near Valladolid, Yucatan State, Mexico
Aerial view of the Site of Hegra (Madain Salih), UNESCO, in the area of AlUla, Medina Province, Saudi Arabia
Aerial view of Jabal Ithlib area within Site of Hegra (Madain Salih), UNESCO, in the area of AlUla, Medina Province, Saudi Arabia
Aerial view of Qasr al-Farid, the largest tomb within Site of Hegra (Madain Salih), UNESCO, in the area of AlUla, Medina Province, Saudi Arabia
Aerial view of Qasr al-Farid, the largest tomb within Site of Hegra (Madain Salih), UNESCO, in the area of AlUla, Medina Province, Saudi Arabia
Aerial of tombs carved in sandstone rock of Jabal Banat (Qasr al-Bint), Hegra (Madain Salih), UNESCO, AlUla area, Medina Province, Saudi Arabia
Aerial view of red sandstone formation, in the area of AlUla, Medina Province, Saudi Arabia
Aerial view of the Jabal Alfil (Elephant Rock), a natural red sandstone formation, in the area of AlUla, Medina Province, Saudi Arabia
Entrance of the passage through the Siq channel at Jabal Ithlib area of Hegra (Madain Salih), UNESCO, AlUla, Medina Province, Saudi Arabia
Passage through the Siq channel at Jabal Ithlib area within the Site of Hegra (Madain Salih), UNESCO, AlUla, Medina Province, Saudi Arabia
Passage through the Siq channel at Jabal Ithlib area within the Site of Hegra (Madain Salih), UNESCO, AlUla, Medina Province, Saudi Arabia
Passage through the Siq channel at Jabal Ithlib area within the Site of Hegra (Madain Salih), UNESCO, AlUla, Medina Province, Saudi Arabia
Tombs carved into sandstone rock of Jabal Banat (Qasr Al-Bint) area in site of Hegra (Madain Salih), UNESCO, AlUla, Medina Province, Saudi Arabia
Woman at Tomb of Lihyan, son of Kuza (Qasr al-Farid), carved into sandstone outcrop in Hegra, UNESCO, AlUla, Medina Province, Saudi Arabia
Jabal Alfil (Elephant Rock) by night, a natural red sandstone formation in the area of AlUla, Medina Province, Saudi Arabia
Jabal Alfil (Elephant Rock) by night, a natural red sandstone formation in the area of AlUla, Medina Province, Saudi Arabia
Lindisfarne Castle, Holy Island, Northumberland, England
The archaeological ruins of Pompeii with Mount Vesuvius in the background, UNESCO, Campania, Italy
Sally Lightfoot Crab (Red Rock Crab) in the Galapagos Islands, UNESCO, Eucador
View of the famous rock runs outside Stanley, the capital and only city in the Falkland Islands
The Royal Complex at the Mesoamerican archaeological site of Lamanai (Submerged Crocodile), Belize
Rock formations in the oasis Tigui, Tibesti Mountains, Chad
Rock formations in the oasis Tigui, Tibesti Mountains, Chad
Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad
Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad
Beautiful rock formations around Zouar, Tibesti Mountains, Chad
Beautiful rock formations around Zouar, Tibesti Mountains, Chad
Tank from the Libyan Chad war, Tibesti Mountains, Chad
Glacial iceberg detail from ice calved off the LeConte Glacier near Petersberg, Southeast Alaska, United States of America
Three Sisters, Monument Valley Navajo Tribal Park, Utah, United States of America
The Thumb, Monument Valley Navajo Tribal Park, Utah, United States of America
West Mitten Butte, Monument Valley Navajo Tribal Park, Utah, United States of America
Totem Pole and Yei Bi Chei, Monument Valley Navajo Tribal Park, Utah, United States of America
John Ford's Point, Merrick Butte in background, Monument Valley Navajo Tribal Park, Utah, United States of America
Stairway to Dala hill historic iron working place, Kano, Nigeria
Shoreline view of the historic Bainbridge Steel Dam near Ash Fork, Kaibab National Forest, Arizona, United States of America
View of the lake created by the historic Bainbridge Steel Dam near Ash Fork, Kaibab National Forest, Arizona, United States of America
Djebel Saghro, on the road from Ouarzazate to Agdz, Draa-Tafilet region, Morocco
Continental drift between North American and Eurasian tectonic plates, Thingvellir National Park, UNESCO, in winter, Western Region, Iceland
Continental drift between North American and Eurasian tectonic plates, Thingvellir National Park, UNESCO, in winter, Western Region, Iceland
Continental drift between North American and Eurasian tectonic plates, Thingvellir National Park, UNESCO, in winter, Western Region, Iceland
St. David's Battery, UNESCO, four guns installed 1910 by British to defend deep water channel leading to Royal Navy Dockyard and Hamilton, Bermuda
Ring of Brodgar, UNESCO, Orkney Islands, Scotland, United Kingdom
Standing Stones of Stenness, dating from around 3000BC, UNESCO, Orkney Islands, Scotland, United Kingdom
Basalt boulders and cliffs, Johnson Canyon between Bainbridge Steel and Stone Dams, Kaibab National Forest, Arizona, United States of America
Basalt formation in Johnson Canyon east of the Bainbridge Steel Dam Lake near Ash Fork, Kaibab National Forest, Arizona, United States of America
Basalt boulders and cliffs, Johnson Canyon east of Bainbridge Steel Dam Lake near Ash Fork, Kaibab National Forest, Arizona, United States of America
Old water pipe, Johnson Canyon between Bainbridge Steel and Stone Dams near Ash Fork, Kaibab National Forest, Arizona, United States of America
Dry waterfall cliffs, Johnson Canyon between Bainbridge Steel and Stone Dams near Ash Fork, Kaibab National Forest, Arizona, United States of America
Basalt boulders and cliffs in a section of Johnson Canyon halfway between the Bainbridge Steel Dam and Stone Dam near Ash Fork Arizona in the Kaibab National Forest.
Rock details near Marwick Head, Mainland, Orkney Islands, Scotland, United Kingdom, Europe
Drone view of Kok-Moinok Canyon, a clay-sand structure formed on the slopes of arid mountains cut by water streams, Kyrgyzstan, Central Asia, Asia
Kok-Moinok Canyon, a clay-sand structure formed on the slopes of arid mountains cut by water streams, Kyrgyzstan, Central Asia, Asia
The Volcano Route, La Palma, Canary Islands, Spain, Atlantic Ocean, Europe
Scenic view of rock formations from Queens Garden Trail, Bryce Canyon National Park, Utah, United States of America, North America
Abstract details of orange slot canyon wall, Antelope Canyon X, Page, Arizona, United States of America, North America
Abstract details of orange slot canyon wall, Antelope Canyon X, Page, Arizona, United States of America, North America
Grand Canyon, Navajo Point, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Grand Canyon, Moran Point, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Grand Canyon, Moran Point, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Grand Canyon, Moran Point, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Grand Canyon, Mather Point, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Grand Canyon, Pipe Creek Vista, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Grand Canyon, from Hermit Road, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America