Bera Bach from Bera Mawr, Carneddau Mountains, Snowdonia National Park (Eryri), North Wales, 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

Checkerboard Mesa, a sandstone peak standing 900 feet high, in Kane County, Zion National Park, Utah, United States of America, North America

Fossil Colonial Coral, Carboniferous Limestone, The Burren, County Clare, Ireland,

Petrified sand dunes, White Canyon State Park, Red Cliffs Desert Reserve near St. George, Utah, United States of America

Sea cave in the King Leopold sandstone formations, Hunter River, Frederick Harbor, Kimberley, Western Australia, Australia, Pacific

Jabal Ikmah Site, world's largest concentration of well-preserved Dadanitic inscriptions, 1st millennium BCE, AlUla, Medina Province, Saudi Arabia

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

Aerial of beautiful rock formations around Zouar, Tibesti Mountains, Chad

Aerial of beautiful rock formations around Zouar, Tibesti Mountains, Chad

Dry waterfall cliffs, Johnson Canyon between Bainbridge Steel and Stone Dams near Ash Fork, Kaibab National Forest, Arizona, United States of America

British Antarctic Survey (BAS) research plane operating in the Gullet, near Rothera Station near the Antarctic Peninsula, Polar Regions

Drone aerial view of Kriaritsi project area with abandoned roads in the south of Greece, Sithonia, Chalkidiki, Greece