Tilted layers showing bedding planes in strata of sedimentary rock in coastal cliff at Odeceixe, Algarve, Portugal, Europe

Floating icebergs, Ilulissat Icefjord, UNESCO World Heritage Site, Western Greenland, Denmark, Polar Regions

Aerial view of a work of land art in the middle of red sandstone formation, in the area of AlUla, Medina Province, Saudi Arabia

Woman in a niqab at Face Rock, a sandstone rock formation in shape of human head profile, Hegra, UNESCO, AlUla, Medina Province, Saudi Arabia

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.

Views of the Vasilievbreen (Vasiliev Glacier), in Isbukta (Ice Bay) near the island of Spitsbergen in Svalbard, Norway, Arctic, Europe

Isolated tree among sandstone rock formation in the desert canyons of the Ashar Valley, Medina Province, Saudi Arabia

Aerial of Axel Heiberg island, Nunavut, Canadian Arctic, Canada, North America

Aerial of a glacier, Kulusuk, Greenland, Denmark, Polar Regions

Last light on mesas, West Mitten Butte, East Mitten Butte, Merrick Butte, Scenic Drive, sunset, dusk, Monument Valley, Navajo Tribal Park, Navajo Nation Reservation, Arizona, Utah, United States of America, USA