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Wahban Crater (caldera) in Hejaz Mountains northeast of Jeddah, Saudi Arabia, Middle East
Tilted layers showing bedding planes in strata of sedimentary rock in coastal cliff at Odeceixe, Algarve, Portugal, Europe
Countryside landscape, Sierra Alhamilla mountains, Nijar, Almeria, Andalusia, Spain, Europe
Rocky volcanic badlands (malpais) landscape, Malpais Grande National Park, Fuerteventura, Canary Islands, Spain, Atlantic, Europe
Bare moon-like arid landscape in mountains between Pajara and La Pared, Fuerteventura, Canary Islands, Spain, Atlantic, 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
The Negribreen (Negri Glacier), in Olav V Land on the island of Spitsbergen in the Svalbard Archipelago, Norway, Arctic, Europe
Scenic view of hoodoos and rock formations, Sunrise Point, Bryce Canyon National Park, Utah, United States of America, North America
Scenic view of hoodoos and rock formations, Sunrise Point, Bryce Canyon National Park, Utah, United States of America, North America
Scenic view of hoodoos and rock formations, Rim Trail near Sunrise Point, Bryce Canyon National Park, Utah, United States of America, North America
Green River Overlook, Canyonlands National Park, Utah, United States of America, North America
Rock formation seen from John Ford Point, Monument Valley, Arizona, United States of America, North America
Petrified sand dunes, White Canyon State Park, Red Cliffs Desert Reserve near St. George, Utah, United States of America
Petrified sand dunes, White Canyon State Park, Red Cliffs Desert Reserve near St. George, Utah, United States of America
Ephemeral Spring on Red Wall of Roaring Springs Canyon, North Kaibab Trail, Grand Canyon North Rim, UNESCO, Arizona, United States of America
A canyon that drains into Dead Wash, Petrified Forest National Park, Arizona, United States of America
An unnamed canyon that leads to Dead Wash in Petrified Forest National Park, Arizona, United States of America
Boulder pile in a valley leading to Dead Wash in Petrified Forest National Park, Arizona, United States of America
Red hills of bentonite clay overlooking Dead Wash 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
Waterfall from Slate Cavern Tunnel entrance, Dinorwig Quarry (Dinorwic Quarry), Eryri (Snowdonia National Park), North Wales, United Kingdom
Aerial of the rocky mountains around Zouar, Tibesti Mountains, Chad
Aerial of the rocky mountains around Zouar, Tibesti Mountains, Chad
Aerial of the rocky mountains around Zouar, Tibesti Mountains, Chad
Aerial of the rocky mountains around Zouar, Tibesti Mountains, Chad
Three Sisters, Monument Valley Navajo Tribal Park, Utah, United States of America
West Mitten Butte, Monument Valley Navajo Tribal Park, Utah, United States of America
Merrick Butte, Monument Valley Navajo Tribal Park, Utah, United States of America
Basalt columns and sea cliffs, Rathlin Island, County Antrim, Ulster, Northern Ireland, United Kingdom
Basalt boulders and cliffs, Johnson Canyon east of Bainbridge Steel Dam Lake 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
Dry waterfall cliffs, Johnson Canyon between Bainbridge Steel and Stone Dams near Ash Fork, Kaibab National Forest, Arizona, United States of America
East slopes of Haystack Mesa in Petrified Forest National Park, Arizona, United States of America, North America
The intertidal zone of the Quantock Coast, West Somerset, contains an abundance of geology and wildlife. It is a Site of Special Scientific Interest (SSSI) and is of international geological importance.
The intertidal zone of the Quantock Coast, West Somerset, contains an abundance of geology and wildlife. It is a Site of Special Scientific Interest (SSSI) and is of international geological importance.
Sandstone that has been eroded into forms that resemble clam shells on the south end of Petrified Forest National Park, Arizona, United States of America, North America
Thrift near Marwick Head, Mainland, Orkney Islands, Scotland, United Kingdom, Europe
Kok-Moinok Canyon, a clay-sand structure formed on the slopes of arid mountains cut by water streams, Kyrgyzstan, Central Asia, Asia
Tree growing on a rock, Sunset Point, Bryce Canyon National Park, Utah, United States of America, North America
Scenic view of hoodoos and rock formations, Sunrise Point, Bryce Canyon National Park, Utah, United States of America, North America
Scenic view of hoodoos and rock formations, Rim Trail, Bryce Canyon National Park, Utah, United States of America, North America
Merrick Butte, Monument Valley, Arizona, United States of America, North America
Scenic view of buttes and rock formations, John Ford Point, Monument Valley, Arizona, United States of America, North America
Rock formation of Spearhead Mesa at Artist's Point, Monument Valley, 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 at sunset, Yavapai Point, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Grand Canyon, Powell Point, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Folded sedimentary rocks in cliffs at Welcombe Mouth, on the Atlantic coast; Hartland, north Devon, England, United Kingdom, Europe
Pieces of petrified wood on hills overlooking Dead Wash, Petrified Forest National Park, Arizona, United States of America
An unnamed canyon that leads into Dead Wash at Petrified Forest National Park, Arizona, United States of America
Boulder pile in a valley leading to Dead Wash, Petrified Forest National Park, Arizona, United States of America
Sandstone rock formations in the desert canyons of the Ashar Valley, Medina Province, Saudi Arabia
Sandstone rock tower beside a large dry salt lake in the Sharaan Nature Reserve, AlUla, Medina Province, Saudi Arabia
Rock formations in the oasis Tigui, Tibesti Mountains, Chad
Rock formations in the oasis Tigui, Tibesti Mountains, Chad
Aerial of beautiful rock formations around Zouar, Tibesti Mountains, Chad
Ruined village of Hara in the large palm grove in Agdz, Mount Kissane (Djebel Kissane), Draa-Tafilet region, Morocco
Fjadrargljufur Canyon, south Iceland
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.
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.
East slopes of Haystack Mesa in Petrified Forest National Park, Arizona, United States of America, North America
Tomb in the Pre-Aksumite settlement of Qohaito (Koloe), Eritrea, Africa
Kok-Moinok Canyon, a clay-sand structure formed on the slopes of arid mountains cut by water streams, Kyrgyzstan, Central Asia, Asia
Abandoned monastic cave houses, Meteora, Thessaly, Greece, Europe
Close up view of hyaloclastite at Brown Bluff, a tuya, sub glacial volcano, on the east side of the Antarctic Peninsula, Antarctica, Polar Regions
The interior soldado of Isla Espiritu Santo, Baja California Sur, Sea of Cortez, Mexico, North America
Layers of lava flows and tuff from the dormant volcano on Isla Tortuga, Baja California, Sea of Cortez, Mexico, North America
Rock formations of Red Valley (Rose Valley), Cavusin, Cappadocia, Anatolia, Turkey, Asia Minor, Asia
Fairy chimney rock formations, Rocket Valley (Gorkundere Valley), Goreme, Cappadocia, Anatolia, Turkey, Asia Minor, Asia
Bend of Colorado River at Dead Horse Point, Dead Horse Point State Park, Utah, United States of America, North America
Slot canyon walls, Antelope Canyon X, Page, Arizona, United States of America, North America
Rock formation at sunset, Arches National Park, Utah, United States of America, North America
Abstract details of orange slot canyon walls, Antelope Canyon X, Page, Arizona, United States of America, North America
Slot canyon walls, Antelope Canyon X, Page, 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, Pima Point, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Grand Canyon, Pima Point, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Grand Canyon, Pima Point, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Grand Canyon, Monument Creek Vista, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
A sloping red sand dune above Hamilili Wash in Petrified Forest National Park, Arizona, United States of America, North America
Aerial of the Andes mountains, Chile, South America
Aerial view taken by drone of desert area near Capitol Reef National Park on a summer day, Hanksville, Utah, United States of America
Warm light envelops the majestic rock formation in Bryce Canyon National Park on a summer day, Utah, United States of America
Dead Wash Valley in Petrified Forest National Park, Arizona, United States of America
Sandstone rock formations in the desert canyons of the Ashar Valley, Medina Province, Saudi Arabia
Sandstone rock formations in the desert canyons of the Ashar Valley, Medina Province, Saudi Arabia
Canyon with sandstone walls in the Sharaan Nature Reserve, AlUla, Medina Province, Saudi Arabia
Canyon with sandstone walls in the Sharaan Nature Reserve, AlUla, Medina Province, Saudi Arabia
Sandstone rock formations in the desert canyons of the Ashar Valley, Medina Province, Saudi Arabia
Cave of Elafonisos island with orange rock color painted in white, Greece
Remarkable sandstone rock carved by erosion in the Ashar Valley, AlUla, Medina Province, Saudi Arabia
Rock formations in the oasis Tigui, Tibesti Mountains, Chad
Beautiful rock formations around Zouar, Tibesti Mountains, Chad
Aerial of beautiful rock formations around Zouar, Tibesti Mountains, Chad
Aerial of beautiful rock formations at sunset around Zouar, Tibesti Mountains, Chad
Aerial of beautiful rock formations around Zouar, Tibesti Mountains, Chad
Aerial of beautiful rock formations around Zouar, Tibesti Mountains, Chad
The intertidal zone of the Quantock Coast, West Somerset, contains an abundance of geology and wildlife. It is a Site of Special Scientific Interest (SSSI) and is of international geological importance.
Forest in Bryce canyon surrounded by hoodoos, Bryce Point, Bryce Canyon National Park, Utah, United States of America, North America
Islands of Rock in Hamilili Valley on the south end of Petrified Forest National Park, Arizona, United States of America, North America