Afar man walking close to a geyser, Semera, Afar Region, Ethiopia, Africa

The Great Sphinx of Giza, UNESCO World Heritage Site, Giza, Egypt, North Africa, Africa

Landscape view of countryside and dry stone walls near Litton, Peak District National Park, Derbyshire, England, United Kingdom, Europe

The cattle corral of Lonely Dell Ranch, managed by the National Park Service, at Glen Canyon Recreation Area, Arizona, United States of America, North America

Rock formations, Ennedi Plateau, UNESCO World Heritage Site, Ennedi region, Chad, Africa

Palm grove in the sanddunes, near Timimoun, western Algeria, North Africa, Africa

Old ksar, old town in the desert, near Timimoun, western Algeria, North Africa, Africa

Bisti/De-Na-Zin Wilderness in New Mexico, United States of America, North America

Patterns in the dunes at Sand Dollar Beach, Magdalena Island, Baja California Sur, Mexico, North America

Arad Fort, Manama, Bahrain, Middle East

The super full moon rising over saguaro cactus (Carnegiea gigantea), Sweetwater Preserve, Tucson, Arizona, United States of America, North America

Organ pipe cactus (Stenocereus thurberi) at sunset, Organ Pipe Cactus National Monument, Sonoran Desert, Arizona, United States of America, North America

Aerial of beautiful rock formations in the Djado plateau, Tenere Desert, Sahara, Niger, Africa

Old abandoned fort in Djado, Tenere Desert, Sahara, Niger, Africa

Aerials of sand dunes at sunset, Dirkou, Djado Plateau, Sahara, Niger, Africa

Sunset light on the sand dunes of Rub al Khali desert, Oman, Middle East

Hills of Demons and Fallen Angels, The Devil's Playground in Petrified Forest National Park, Arizona, United States of America, North America

Panorama of a ridge in the Devil's Playground of crumbling hoodoos, Petrified Forest National Park, Arizona, United States of America, North America

Sand Castle formations on the edge of the Red Basin in Petrified Forest National Park, Arizona, United States of America, North America

Sunset over Sahara Desert sand dunes, Merzouga, Morocco, North Africa, Africa

Sunrise in the Erongo Mountains, Namibia, Africa

Sand dunes at sunset in the Wahiba Sands desert, Oman, Middle East

Sand dunes detail before dawn in the Rub al Khali desert, Oman, Middle East

Grand Canyon at South Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

Road through Death Valley National Park, Funeral Mountains, California, United States of America, North America

Fire Wave, Valley of Fire State Park, Nevada, United States of America, North America

Seven Sisters, Valley of Fire State Park, Nevada, United States of America, North America

Tobacco leaves drying in a barn, Pinar del Rio, Cuba, West Indies, Central America

View over the Al Ula valley, Kingdom of Saudi Arabia, Middle East

Rock Art in the Ha'il Region, UNESCO World Heritage Site, Jubbah, Kingdom of Saudi Arabia, Middle East

Beautiful rock formation, Madain Saleh (Hegra) (Al Hijr), UNESCO World Heritage Site, Al Ula, Kingdom of Saudi Arabia, Middle East

Aerial of the Rub al Khali, the Empty Quarter, Kingdom of Saudi Arabia, Middle East

Aerial of massive numbers of Cormorants on the sand dunes along the Atlantic coast, Namibe (Namib) desert, Iona National Park, Namibe, Angola, Africa

Aerial of massive numbers of Cormorants on the sand dunes along the Atlantic coast, Namibe (Namib) desert, Iona National Park, Namibe, Angola, Africa

Limestone Pavement above Watlowes Dry Valley, near Malham, Yorkshire Dales National Park, Yorkshire, England, United Kingdom, Europe

A majestic colorful sky during a summer sunset at Bryce Canyon National Park, Utah, United States of America, North America

Mosque in the ruins of Berber troglodyte structures, Tataouine region, southern Tunisia

Dead Vlei, Sossusvlei, Namib Desert, Namibia, Africa

Road to Bor, central region, South Sudan, Africa

The Karnak Temple Complex, comprises a vast mix of temples, pylons, chapels, and other buildings, UNESCO World Heritage Site, near Luxor, Thebes, Egypt, North Africa, Africa

The Karnak Temple Complex, comprises a vast mix of temples, pylons, chapels, and other buildings, UNESCO World Heritage Site, near Luxor, Thebes, Egypt, North Africa, Africa

The Siq, entrance to Petra Archaeological Park, UNESCO World Heritage Site, one of the New Seven Wonders of the World, Petra, Jordan, Middle East

Sphinx at the base of the mortuary temple of Hatshepsut in Deir al-Bahri, built during the reign of Pharaoh Hatshepsut, UNESCO World Heritage Site, Thebes, Egypt, North Africa, Africa

Valley of Fire, near Las Vegas, Nevada, United States of America, North America

Valley of Fire, near Las Vegas, Nevada, United States of America, North America

Royal Tombs, Petra Archaeological Park, UNESCO World Heritage Site, one of the New Seven Wonders of the World, Petra, Jordan, Middle East

Drone aerial view of Francisco Abellan Dam and Reservoir, Granada, Andalusia, Spain, Europe

West African giraffes (Giraffa camelopardalis peralta), Koure, Niger, West Africa, Africa

Tomb (Mastaba) of Seshem Nefer Theti, Great Pyramids of Giza, UNESCO World Heritage Site, Giza, Egypt, North Africa, Africa

Monument Valley, view from Wildcat Trail, Arizona, United States of America, North America

Prayer flags and sacred site overlooking the town of Bayanbulak, Xinjiang Province, China, Asia

Multicoloured strata hill in the Painted Hills unit in the John Day Fossil Beds National Monument, Oregon, United States of America, North America

Rock formation in the Taklamakan Desert near Kuche, Xinjiang, China, Asia

The shapes of sand constantly shaped by the wind, Deadvlei, Sossusvlei, Namib Desert, Namib Naukluft National Park, Namibia, Africa

Jabal Hafeet beehive tombs, dating back thousands of years, Sultanate of Oman, Middle East

Low-lying clouds fill the valley at sunrise at Sharaf Al Alamayn, Sultanate of Oman, Middle East

Workers lay out the days catch to dry in the sun at the Negombo fish market, Negombo, Sri Lanka, Asia

Windmill in the central valley and the 625m high Churillos mountain beyond, Tefia, Puerto del Rosario, Fuerteventura, Canary Islands, Spain, Europe

Sandstone sculptures and sun flare in Bisti/De-Na-Zin Wilderness in New Mexico, United States of America, North America

View of dry stone walls and countryside near Litton, Peak District National Park, Derbyshire, England, United Kingdom, Europe

View of dry stone walls and countryside near Brassington, Derbyshire Dales, Derbyshire, England, United Kingdom, Europe

View of dry stone walls and Brassington, Derbyshire Dales, Derbyshire, England, United Kingdom, Europe

Deadvlei, an old dry lake in the Namib desert, Namibia, Africa

Elephant rock arch, Ennedi Plateau, UNESCO World Heritage Site, Ennedi region, Chad, Africa

Sunset in the giant sand dunes of the Sahara Desert, Timimoun, western Algeria, North Africa, Africa

Arch of Hadrian, Main Gate, Jerash, Jordan, Middle East

Zabriskie Point in Death Valley National Park, California, United States of America, North America

Aerial view of a wind farm in the Atacama Desert, Antofagasta Region, Chile, South America

UNESCO World Heritage Site, Air Mountains, Niger, Africa

Aerial of the sand dunes in the Tenere Desert, Sahara, Niger, Africa

Sunset over the sand dunes, Djado Plateau, Sahara, Niger, Africa

Panorama of the First Forest in Petrified Forest National Park, Arizona, United States of America, North America

Petrified Wood in the First Forest of Petrified Forest National Park, Arizona, United States of America, North America

Desert landscape of Damaraland with a lonely rock in the middle, Namibia, Africa

Hikers head up a dry gulch in a side canyon off the Grand Canyon, Arizona, United States of America, North America

Valley of Fire State Park, Nevada, United States of America, North America

A hoodoo formation called Medusa's Child, below the cliffs of Agate Plateau in Petrified Forest National Park, Arizona, United States of America, North America

Dirt road crossing the desert down to Playa de la Solapa beach, Atlantic Ocean, Pajara, Fuerteventura, Canary Islands, Spain, Atlantic, Europe

Rock formations, Reserva Nacional de Fauna Andina Eduardo Avaroa, Potosi Department, southwestern Bolivia, South America.

Aerial of the Rock Art in the Ha'il Region, UNESCO World Heritage Site, Jubbah, Kingdom of Saudi Arabia, Middle East

Aerial of the rock tombs, Madain Saleh (Hegra) (Al Hijr), UNESCO World Heritage Site, Al Ula, Kingdom of Saudi Arabia, Middle East

Aerial of the Elephant Rock, Al Ula, Kingdom of Saudi Arabia, Middle East

Aerials of the Algharameel rock formations, Al Ula, Kingdom of Saudi Arabia, Middle East

Camels in a pick up truck, Bir Al Hima, Kingdom of Saudi Arabia, Middle East

Stockfish hanging to dry, Nusfjord, Lofoten Islands, Norway, Scandinavia, Europe

Stockfish in a row hanging to dry outside the traditional Rorbu, Nusfjord, Lofoten, islands, Norway, Scandinavia, Europe

The Temple of Kom Ombo, constructed during the Ptolemaic dynasty, 180 BCE to 47 BCE, Kom Ombo, Egypt, North Africa, Africa

Sand dunes along the Atlantic coast, Namibe (Namib) desert, Iona National Park, Namibe, Angola, Africa

Aerial of a sandstone canyon, Namibe (Namib) desert, Iona National Park, Namibe, Angola, Africa

Aerial of a sandstone canyon, Namibe (Namib) desert, Iona National Park, Namibe, Angola, Africa

Aerial of a sandstone canyon, Namibe (Namib) desert, Iona National Park, Namibe, Angola, Africa

Finger of Allah rock formation in Akakus Mountains, Libya, North Africa, Africa

Weathered ground, Mungo National Park, New South Wales, Australia, Pacific

Tabernas desert landscape on a sunny day, Almeria, Andalusia, Spain, Europe

The Karnak Temple Complex, comprises a vast mix of temples, pylons, chapels, and other buildings, UNESCO World Heritage Site, near Luxor, Thebes, Egypt, North Africa, Africa

The Karnak Temple Complex, comprises a vast mix of temples, pylons, chapels, and other buildings, UNESCO World Heritage Site, near Luxor, Thebes, Egypt, North Africa, Africa

The Karnak Temple Complex, comprises a vast mix of temples, pylons, chapels, and other buildings, UNESCO World Heritage Site, near Luxor, Thebes, Egypt, North Africa, Africa

The Luxor Temple at night, under a full moon, constructed approximately 1400 BCE, UNESCO World Heritage Site, Luxor, Thebes, Egypt, North Africa, Africa

The Luxor Temple at night, under a full moon, constructed approximately 1400 BCE, UNESCO World Heritage Site, Luxor, Thebes, Egypt, North Africa, Africa

Gate of Domitian and Trajan, northern entrance of the Temple of Hathor, Dendera Temple complex, Dendera, Egypt, North Africa, Africa