Sunset over Sound of Taransay, west coast of South Harris, Outer Hebrides, Scotland, United Kingdom, Europe

Traigh Luskentyre (Luskentyre beach) from Seilebost, west coast of South Harris, Harris, Outer Hebrides, Scotland, United Kingdom, Europe

Rocks and water, west coast of Lewis, Isle of Lewis, Outer Hebrides, Scotland, United Kingdom, Europe

Male southern rock agama (Agama atra atra), Kgalagadi Transfrontier Park, encompassing the former Kalahari Gemsbok National Park, South Africa, Africa

Dunn's River Falls, Ocho Rios, Jamaica, West Indies, Caribbean, Central America

The flat expanse of the Grand Barra Depression, Djibouti, Africa

The desolate landscape of Lac Abbe, dotted with limestone chimneys, Djibouti, Africa

Torrey Pines Gliderport, La Jolla, San Diego, California, United States of America, North America

Perce, Gaspe Peninsula, province of Quebec, Canada, North America

The mysterious site of Tiya, containing around 36 ancient stelae, UNESCO World Heritage Site, Tiya, Ethiopia, Africa

A woman emerges from a tunnel leading to the rock-hewn church of Bet Amanuel, in Lalibela, Ethiopia, Africa

A priest stands at the entrance to the rock-hewn church of Bet Gabriel-Rufael, in Lalibela, UNESCO World Heritage Site, Ethiopia, Africa

A priest stands at the entrance to the rock-hewn church of Bet Gabriel-Rufael, in Lalibela, UNESCO World Heritage Site, Ethiopia, Africa

Sunday Mass is celebrated at the rock-hewn church of Bet Giyorgis (St. George), in Lalibela, UNESCO World Heritage Site, Ethiopia, Africa

View of the ramparts of the Old City from the Port, Essaouira, Morocco, North Africa, Africa

Little Mermaid, Copenhagen, Denmark, Scandinavia, Europe

Little Mermaid, Copenhagen, Denmark, Scandinavia, Europe

Stonehenge, UNESCO World Heritage Site, Salisbury Plain, Wiltshire, England, United Kingdom, Europe

Fife coast at dusk near St. Andrews, Fife, Scotland, United Kingdom, Europe

Rock and Spindle on the Fife Coast near St, Andrews, Fife, Scotland, United Kingdom, Europe

Rock and Spindle at dusk on the Fife Coast near St. Andrews, Fife, Scotland, United Kingdom, Europe

Partially submerged view of shoreline with palm trees, Solomon Islands, Pacific

Rock Stack on the Fife Coast near St. Andrews, Fife, Scotland, United Kingdom, Europe

Rocky shoreline, St. Andrews, Fife, Scotland, United Kingdom, Europe

Rocks and sea on the Fife Coast near St. Andrews, Fife, Scotland, United Kingdom, Europe

Esmelle beach, Galicia, Spain, Europe

View of the Christ statue (Cristo Redactor) on Corcovado with Tijuca National Park behind, Rio de Janeiro, Brazil, South America

Cliff dwellings constructed over 700 years ago, Gila Cliff Dwellings National Monument, New Mexico, United States of America, North America

Cliff dwellings constructed over 700 years ago, Gila Cliff Dwellings National Monument, New Mexico, United States of America, North America

Harbor Seal (Common Seal) (Phoca vitulina) stretching, Iceland, Polar Regions

The Malecon, Havana, Cuba, West Indies, Central America

Cliff dwellings constructed over 700 years ago, Gila Cliff Dwellings National Monument, New Mexico, United States of America, North America

Cliff dwellings constructed over 700 years ago, Gila Cliff Dwellings National Monument, New Mexico, United States of America, North America

Cliff dwellings constructed over 700 years ago, Gila Cliff Dwellings National Monument, New Mexico, United States of America, North America

Cliff dwellings constructed over 700 years ago, Gila Cliff Dwellings National Monument, New Mexico, United States of America, North America

Cliff dwellings constructed over 700 years ago, Gila Cliff Dwellings National Monument, New Mexico, United States of America, North America

Minnard Beach, Dingle, County Kerry, Munster, Republic of Ireland, Europe

Minnard Beach, Dingle, County Kerry, Munster, Republic of Ireland, Europe

Rocky Oman coastline near Muscat. Oman, Middle East

Dhar Alhajr (the Iman's Palace), built on a sandstone crag, Wadi Dhahr, near Sana'a, Yemen, Middle East

Stanage Edge millstones at sunrise, Peak District National Park, Derbyshire, England, United Kingdom, Europe

Winnats Pass near Castleton in the Peak District National Park, Derbyshire, England, United Kingdom, Europe

View over Stanage Edge millstones at sunrise, Peak District National Park, Derbyshire, England, United Kingdom, Europe

Backlit hoodoos and Thor's Hammer, Bryce Canyon National Park, Utah, United States of America, North America

View along Hadrian's Wall from Hotbank Crags, UNESCO World Heritage Site, near Hexham, Northumberland, England, United Kingdom, Europe

View from Sunset Point at sunset, Bryce Canyon National Park, Utah, United States of America, North America

Widemouth Bay at sunrise, with offshore rocks and red storm clouds overhead, near Bude, Cornwall, England, United Kingdom, Europe

View of Bedruthan Steps and beach, near Newquay, Cornwall, England, United Kingdom, Europe

Widemouth Bay at sunrise, with offshore rocks and red storm clouds overhead, near Bude, Cornwall, England, United Kingdom, Europe

Visitor at Painted Wall View Point, Gunnison River deep in the canyon, Black Canyon of the Gunnison National Park, Colorado, United States of America, North America

Empty beach, Seychelles, Indian Ocean, Africa

Rocks on tropical beach, Seychelles, Indian Ocean, Africa

Rocks and palm tree on tropical beach, Seychelles, Indian Ocean, Africa

Beach at Lagos, Algarve, Portugal, Europe

Cerro Catedral and Lago Toncek, Nahuel Huapi National Park, Bariloche, Patagonia, Argentina, South America

Old Harry Rocks, The Foreland or Handfast Point, Studland, Isle of Purbeck, Dorset, England, United Kingdom, Europe

Soumba waterfall, Republic of Guinea, West Africa, Africa

Pretty Bukeh Beach, Sierra Leone, West Africa, Africa

Giant monolithic stone Moai statues at Rano Raraku, Rapa Nui (Easter Island), UNESCO World Heritage Site, Chile, South America

Stones balanced on rock, palm trees in background, Maldives, Indian Ocean, Asia

Koneswaram Kovil Hindu temple, Trincomalee, Sri Lanka, Asia

Striped blenny perched on rock, Solomon Islands, South Pacific, Pacific

Frieze on the 130ft high El Castillo at the Mayan ruins at Xunantunich, San Ignacio, Belize, Central America

Rock ptarmigan (Lagopus muta hyperborea), Billefjord, Svalbard, Spitzbergen, Norway, Scandinavia, Europe

Rocky outcrop and road, Keep River National Park, Northern Territory, Australia, Pacific

Man in the Cathedral Gorge, Bungle Bungle, Purnululu National Park, UNESCO World Heritage Site, Kimberley, Western Australia, Australia, Pacific

Osmand Range, Kimberley, Western Australia, Australia, Pacific

Nourlangie Rock and Anbangbang Billabong, Kakadu National Park, UNESCO World Heritage Site, Northern Territory, Australia, Pacific

Aboriginal rock art, Ubirr, Kakadu National Par, UNESCO World Heritage Site, Northern Territory, Australia, Pacific

Group of rockhopper penguins (Eudyptes chrysocome chrysocome) on a rocky islet, East Falkland, Falkland Islands, South America

Looking down on the village of Obergurgl sat at the top of the Otztal valley as skiers ascend the mountain on chairlifts, Tyrol, Austrian Alps, Austria, Europe

Hot air balloon flight over the famous volcanic tufa rock formations around Goreme, Cappadocia, Anatolia, Turkey, Asia Minor, Eurasia

Hot air balloon over the phallic pillars known as fairy chimneys in the valley known as Love Valley near Goreme in Cappadocia, Anatolia, Turkey, Asia Minor, Eurasia

Volcanic tufa formations, known as fairy chimneys, Pasabag, near Zelve, Cappadocia, Anatolia, Turkey, Asia Minor, Eurasia

Ancient carved stone heads of the gods, head of Heracles, Nemrut Dagi (Nemrut Dag), on the summit of Mount Nemrut, UNESCO World Heritage Site, Anatolia, Turkey, Asia Minor, Eurasia

Ancient carved stone heads of the gods, head of Heracles, Nemrut Dagi (Nemrut Dag), on the summit of Mount Nemrut, UNESCO World Heritage Site, Anatolia, Turkey, Asia Minor, Eurasia

Freshwater Bay and Tennyson Down from Afton Down, Isle of Wight, England, United Kingdom, Europe

Tennyson Down, Black Rock and Highdown Cliffs from Freshwater Bay, Isle of Wight, England, United Kingdom, Europe

The Wain Stones (Kissing Stones) on Bleaklow Moor, on the Pennine Way footpath, Peak District National Park, Derbyshire, England, United Kingdom, Europe

Cave village, Old Goris, Goris, Armenia, Central Asia, Asia

Old Goris, Goris, Armenia, Central Asia, Asia

Mist rising on Derwent Water at sunrise, Lake District National Park, Cumbria, England, United Kingdom, Europe

Temple building at Wulong Natural Rock Bridges, UNESCO World Heritage Site, Chongqing Municipality, China, Asia

Temple building at Wulong Natural Rock Bridges, UNESCO World Heritage Site, Chongqing Municipality, China, Asia

Kaleto fortress, rock formations, Belogradchik, Bulgaria, Europe

Standing Stones of Callanish at dawn, Callanish, near Carloway, Isle of Lewis, Outer Hebrides, Scotland, United Kingdom, Europe

Stream through wildflowers, Mineral Basin, Uncompahgre National Forest, Colorado, United States of America, North America

Portrait of a man with a moustache looking like Dali's Egyptian cousin, Luxor, Egypt, North Africa, Africa

Heather moorland above Ladybower Reservoir, Whinstone Lee Tor, Derwent Edge, Peak District National Park, Derbyshire, England, United Kingdom, Europe

Three Cliffs Bay, Gower, Wales, United Kingdom, Europe

Stone circle at dawn, Callanish, near Carloway, Isle of Lewis, Outer Hebrides, Scotland, United Kingdom, Europe

Huge waves crash against cliffs at Criccieth, Gwynedd, Wales, United Kingdom, Europe

Hikers set off from Pen Y Pass in winter to climb Mount Snowdon in Snowdonia National Park, Gwynedd, Wales, United Kingdom, Europe

Preseli Hills (Mynyddoedd Y Preseli), source of Stonehenge bluestone megaliths, Pembrokeshire, Wales, United Kingdom, Europe

Selworthy Beacon near Bossington Hill, Exmoor National Park, Somerset, England, United Kingdom, Europe

Clearing sea fog tinged pink by the colours of dawn, Clovelly, Devon, England, United Kingdom, Europe

Ponies graze beside Chinkwell Tor in Dartmoor National Park, Devon, England, United Kingdom, Europe

Dartmoor ponies grazing near Chinkwell Tor, Dartmoor National Park, Devon, England, United Kingdom, Europe

Chinkwell Tor, Dartmoor National Park, Devon, England, United Kingdom, Europe

Stone cairns on the summit of Chinkwell Tor, Dartmoor National Park, Devon, England, United Kingdom, Europe