Aerial image of Lulworth Cove, a natural landform harbour, near West Lulworth, on the Jurassic Coast, UNESCO World Heritage Site, Dorset, England, United Kingdom, Europe

Aerial image of Lulworth Cove, a natural landform harbour, near West Lulworth, on the Jurassic Coast, UNESCO World Heritage Site, Dorset, England, United Kingdom, Europe

Aerial image of Lulworth Cove, a natural landform harbour, near West Lulworth, on the Jurassic Coast, UNESCO World Heritage Site, Dorset, England, United Kingdom, Europe

Aerial image of Lulworth Cove, a natural landform harbour, near West Lulworth, on the Jurassic Coast, UNESCO World Heritage Site, Dorset, England, United Kingdom, Europe

Volcanic landscape, Valle del Bove, Etna, UNESCO World Heritage Site, Etna, Sicily, Italy, Mediterranean, Europe

Basalt cliffs and rock stack, Halsenifs Hellir Beach, near Vik i Myrdal, South Iceland, Iceland, Polar Regions

Cradle Mountain and Dove Lake, with deciduous beech (Fagus) in fall colors, Cradle Mountain-Lake St. Clair National Park, UNESCO World Heritage Site, Tasmania, Australia, Pacific

Durdle Door, an eroded rock arch, and the wide sweeping beach, Jurassic Coast, UNESCO World Heritage Site, Dorset, England, United Kingdom, Europe

Lulworth Cove, a perfect horseshoe-shaped bay, Jurassic Coast, UNESCO World Heritage Site, Dorset, England, United Kingdom, Europe

The stone Cobb or harbour wall, a famous landmark of Lyme Regis, Jurassic Coast, UNESCO World Heritage Site, Dorset, England, United Kingdom, Europe

Cascade in The Narrows of the Virgin River, Zion National Park, Utah, United States of America, North America

Coast path leading down to Kynance Cove, The Lizard, Cornwall, England, United Kingdom, Europe

Aerial view of Dalyan, Dalaman, Anatolia, Turkey, Asia Minor, Eurasia

Aerial view of Dalyan, Dalaman, Anatolia, Turkey, Asia Minor, Eurasia

Wahban Crater (caldera) in Hejaz Mountains northeast of Jeddah, Saudi Arabia, Middle East

Bedruthan Steps, Cornwall, England, United Kingdom, Europe

Colorful Danxia landform in Zhangye, UNESCO World Heritage Site, Gansu Province, China, Asia

Colorful Danxia landform in Zhangye, UNESCO World Heritage Site, Gansu Province, China, Asia

Colorful Danxia landform in Zhangye, UNESCO World Heritage Site, Gansu Province, China, Asia

Colorful Danxia landform in Zhangye, UNESCO World Heritage Site, Gansu Province, China, Asia

Colorful Danxia landform in Zhangye, UNESCO World Heritage Site, Gansu Province, China, Asia

Colorful Danxia landform in Zhangye, UNESCO World Heritage Site, Gansu Province, China, Asia

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

Haleakala Crater, in Haleakala National Park, Maui's dormant volcano, Hawaii, United States of America, Pacific, North America

The stone Cobb or harbour wall, a famous landmark of Lyme Regis, Jurassic Coast, UNESCO World Heritage Site, Dorset, England, United Kingdom, Europe

Spiaggia Rosa (Pink Beach) on the island of Budelli, Maddalena Islands, La Maddalena National Park, Sardinia, Italy, Mediterranean, Europe

Limestone desert landscape, Paraje Natural de Karst en Yesos de Sorbas, Almeria, Andalusia, Spain, Europe

Rapid erosion of shingle bay bar landform on North Sea coast, Hollesley Bay, Bawdsey, Suffolk, England, United Kingdom, Europe

Four wheel drive (4WD) with tour group on Salir de Uyuni, salt flats, Bolivia, South America

View from Aconcagua 6962m, highest peak in South America, Aconcagua Provincial Park, Andes mountains, Argentina, South America

Scala dei Turchi, Agrigento, Sicily, Italy

Evergreens, red maples, and red rock on the Emerald Pools Trail, Zion National Park, Utah, United States of America, North America

Rock formations and dead juniper, Grand Staircase-Escalante National Monument, Utah, United States of America, North America

Malpais badlands volcanic landscape Montana Negra and Caldera Colorada, Parque Natural Los Volcanes, Masdache, Lanzarote, Canary islands, Spain, Atlantic, Europe

Hobart and the River Derwent, Tasmania, Australia, Pacific

The Madonna Mantle between the islands of Santa Maria and Budelli, Maddalena Islands, La Maddalena National Park, Sardinia, Italy, Mediterranean, Europe

Steamboat Mountain at sunset from Locust Point, North Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

The sun rises on field of green grass with Douglas Firs and Mount Rainier in the distance, Vashon Island, Washington State, United States of America, North America

Climber nearing the summit of Aconcagua 6962m, highest peak in South America, Aconcagua Provincial Park, Andes mountains, Argentina, South America

Four wheel drive (4WD) tour group on Salir de Uyuni, salt flats, Bolivia, South America

Small island, a roche moutonnee glacial landform, southern coast of Hinnoya Island, Nordland, northern Norway, Scandinavia, Europe

Dollar Cove, Gunwalloe, Lizard Peninsula, Cornwall, England, United Kingdom, Europe

Cone volcano near La Oliva, Fuerteventura, Canary Islands, Spain, Atlantic, Europe

Taktshang Goemba (Tigers nest monastery) with prayer flags and cliff, Paro Valley, Bhutan, Asia

Cradle Mountain and Dove Lake, Cradle Mountain-Lake St. Clair National Park, UNESCO World Heritage Site, Tasmania, Australia, Pacific

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

Spiaggia Rosa (Pink Beach) on the island of Budelli, Maddalena Islands, La Maddalena National Park, Sardinia, Italy, Mediterranean, Europe

White rock badlands, Carson National Forest, New Mexico, United States of America, North America

Spiaggia Rosa (Pink Beach) on the island of Budelli, Maddalena Islands, La Maddalena National Park, Sardinia, Italy, Mediterranean, Europe

Cradle Mountain and Dove Lake, Cradle Mountain-Lake St. Clair National Park, UNESCO World Heritage Site, Tasmania, Australia, Pacific

Cradle Mountain and Dove Lake, Cradle Mountain-Lake St. Clair National Park, UNESCO World Heritage Site, Tasmania, Australia, Pacific

Red and orange maples and yellow aspens in the fall, Wasatch Mountain State Park, Utah, United States of America, North America

Cabo de Sao Vicente (Cape St. Vincent), Algarve, Portugal, Europe

Cloud blowing off the summit of Aconcagua 6962m, highest peak in South America, Aconcagua Provincial Park,Andes mountains, Argentina, South America

Footbridge over the Cares Gorge, Picos de Europa, Castilla y Leon, Spain, Europe

Small mushroom formations in the badlands, Bisti Wilderness, New Mexico, United States of America, North America

Tajo Gorge and New Bridge, Ronda, Malaga Province, Andalucia, Spain, Europe

Spiaggia Rosa (Pink Beach) on the island of Budelli, Maddalena Islands, La Maddalena National Park, Sardinia, Italy, Mediterranean, Europe

View of the Dzong with hills and fog, Trongsa, Bhutan, Asia

The Three Sisters and Jamison Valley, Blue Mountains, Blue Mountains National Park, UNESCO World Heritage Site, New South Wales, Australia, Pacific

St. Ives, Cornwall, England, United Kingdom, Europe

Silver Lake in the fall, Wasatch-Cache National Forest, Utah, United States of America, North America

Yellow aspens and evergreens with low clouds, Wasatch-Cache National Forest, Utah, United States of America, North America

Rock fin, Carson National Forest, New Mexico, United States of America, North America

Rocks in the badlands at sunrise, Bisti Wilderness, New Mexico, United States of America, North America

Svartifoss waterfall in the Skaftafell National Park, Iceland, Polar Regions

Pirates Bay, Tasman Peninsula, Tasmania, Australia, Pacific

View of Grose Valley and Pulpit Rock, Blue Mountains, Blue Mountains National Park, UNESCO World Heritage Site, New South Wales, Australia, Pacific

Mount Hayden at dusk from Point Imperial, North Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

Juniper in the badlands, Capitol Reef National Park, Utah, United States of America, North America

The island of Spargi, Maddalena Islands, La Maddalena National Park, Sardinia, Italy, Mediterranean, Europe

The Madonna Mantle, Maddalena Islands, La Maddalena National Park, Sardinia, Italy, Mediterranean, Europe

Orange maples among evergreens, Uinta National Forest, Utah, United States of America, North America

Cabo de Sao Vicente (Cape St. Vincent), Algarve, Portugal, Europe

St. Ives, Cornwall, England, United Kingdom, Europe

Badlands, Bisti Wilderness, New Mexico, United States of America, North America

Cradle Mountain and Dove Lake, Cradle Mountain-Lake St. Clair National Park, UNESCO World Heritage Site, Tasmania, Australia, Pacific

Mountain layers at sunset, Manti-La Sal National Forest, Utah, United States of America, North America

Badlands with maroon color, Capitol Reef National Park, Utah, United States of America, North America

The island of Razzoli, Maddalena Islands, La Maddalena National Park, Sardinia, Italy, Mediterranean, Europe

Picos de Europa, Cantabria, Spain, Europe

Hocking Hills State Park, Ohio, United States of America, North America

Cabo de Sao Vicente (Cape St. Vincent), Algarve, Portugal, Europe

Guincho Coast, Cascais, Portugal, Europe

View of Grose Valley, Blue Mountains, Blue Mountains National Park, UNESCO World Heritage Site, New South Wales, Australia, Pacific

Hickman Bridge, Capitol Reef National Park, Utah, United States of America, North America

Taktshang Goemba (Tigers nest monastery), Paro valley, Bhutan, Asia

Bedruthan Steps, Cornwall, England, United Kingdom, Europe

Orange clouds at sunset over orange and red maples in the fall, Uinta National Forest, Utah, United States of America, North America

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

Badlands with maroon color, Capitol Reef National Park, Utah, United States of America, North America

Rock in the badlands, Capitol Reef National Park, Utah, United States of America, North America

Rocks at the Egg Factory at dusk, Bisti Wilderness, New Mexico, United States of America, North America

Provo Falls, Wasatch-Cache National Forest, Utah, United States of America, North America

Bridal Veil Falls in the fall, Uinta National Forest, Utah, United States of America, North America

Orange and red maples in the fall, Wasatch Mountain State Park, Utah, United States of America, North America

Yellow and orange aspens reflected in Sliver Lake in the fall, Wasatch-Cache National Forest, Utah, United States of America, North America

Red rock cliffs and badlands, Capitol Reef National Park, Utah, United States of America, North America

The island of Razzoli, Maddalena Islands, La Maddalena National Park, Sardinia, Italy, Mediterranean, Europe

Liffey Falls, UNESCO World Heritage Site, Tasmania, Australia, Pacific