Sabellaria alveolata honeycomb worm reef, Mimid beach, Sidi Boufdail, Mirleft, Morocco, North Africa, Africa

Rounded Coastal Rock Structures on Bleached Limestone Beds at Ward Beach, Marlborough, New Zealand

Jacques-Cartier River, Jacques-Cartier National Park, Province of Quebec, Canada, North America

Aerial view of the UNESCO Biosphere Reserve, Principe, Sao Tome and Principe, Atlantic Ocean, Africa

Termite mound, grasses and trees with typical rounded rocks in the background, Bungle Bungle, Purnululu National Park, UNESCO World Heritage Site, Kimberley, West Australia, Australia, Pacific

An iceberg melting in Suspiros Bay off Joinville Island just off the Antarctic Peninsular. The peninsular is one of the fastest warming places on the planet.

Sandstone pebbles, Aberdeenshire, Scotland

A man running up a boulder above Chapel Stile in the Langdale Valley in the Lake District, Cumbria, England, United Kingdom, Europe

A climber and border collie dog on a boulder above Chapel Stile in the Langdale Valley in the Lake District, Cumbria, England, United Kingdom, Europe

A man running up a boulder above Chapel Stile in the Langdale Valley in the Lake District, Cumbria, England, United Kingdom, Europe

Kyoto, Japan

Surreal landscape of White Pocket with stormy clouds gathering overtop. They are comprised of swirling, multicolured Navajo Limestone with domes, hoodoos and potholes, Arizona, United States of America

Hiking trail through Snow Canyon, with circles of stones in a meeting area behind the Red Mountain Spa, with meditation maze and Snow Canyon Mountain Range in the background. Red Cliffs Desert Reserve around St George Town with bright sunburst in a blue sky, St George, Utah, United States of America

View of geometric patterns on rocky hills referred to as Brain Rocks, against a cloudy sky forming part of the alien landscape of amazing lines, contours and shapes in the wondrous area known as White Pocket, situated in Arizona, Arizona, United States of America

Hiking trail through Snow Canyon, with circles of stones in a meeting area behind the Red Mountain Spa, with meditation maze and Snow Canyon Mountain Range in the background. Red Cliffs Desert Reserve around St George Town with rock cliffs and dark clouds in a blue sky, St George, Utah, United States of America

Hiking trail through Snow Canyon, with circles of stones in a meeting area behind the Red Mountain Spa, with meditation maze and Snow Canyon Mountain Range in the background. Red Cliffs Desert Reserve around St George Town with rock cliffs and dark clouds in a blue sky, St George, Utah, United States of America