Lake Entova at dawn, Malenco Valley, province of Sondrio, Valtellina, Lombardy, Italy, Europe

View across Kimmeridge Bay at dusk towards Hen Cliff and Clavell Tower, Perbeck District, Dorset, England, United Kingdom, Europe

Salt winning, Walvis Bay, Namibia, Africa

Corfe Castle, Corfe, Dorset, England, United Kingdom, Europe

Tree growing through the limestone of White Scars at sunset, Ingleton, Yorkshire Dales National Park, England, United Kingdom

Conception Volcano, Ometepe Island, Nicaragua, Central America

Sunrise over Angkor Wat, Angkor, UNESCO World Heritage Site, Siem Reap Province, Cambodia, Indochina, Southeast Asia, Asia

Blooming wild flowers in the Torres del Paine National Park, Patagonia, Chile, South America

Praia da Geriba, Buzios, Rio de Janeiro State, Brazil, South America

Joao Fernandes Beach, Buzios, Rio de Janeiro State, Brazil, South America

View of Ionian Sea and Ipsos Beach in Ipsos at dusk, Ipsos, Corfu, Ionian Sea, Greek Islands, Greece, Europe

Sigiriya Rock Fortress, UNESCO World Heritage Site, seen from Pidurangala Rock, Sri Lanka, Asia

Tea plantation on a tea estate in Haputale, Nuwara Eliya District, Sri Lanka Hill Country, Sri Lanka, Asia

Lonely tree in the Sahara Desert, Southern Algeria, North Africa, Africa

Sunset over the Bagan temples dating from the 11th and 13th centuries, Bagan (Pagan), Central Myanmar, Myanmar (Burma), Asia

Thornton Force, Ingleton Waterfalls Walk, Yorkshire Dales National Park, North Yorkshire, England, United Kingdom, Europe

Sunset Beach at sunrise in North Carolina, USA, North America

Calved glacial ice at Monacobreen, Spitsbergen, Svalbard, Norway, Scandinavia, Europe

Roque Nublo, Gran Canaria, Canary Islands, Spain, Europe

Roque Bentayga and Tenerife in distance, Gran Canaria, Canary Islands, Spain, Atlantic, Europe

Bamburgh Castle at sunrise, Bamburgh, Northumberland, England, United Kingdom, Europe

Neist Point at sunset, Isle of Skye, Inner Hebrides, Scotland, United Kingdom, Europe

A palm tree over a white sand beach and emerald sea on the edge of the Indian Ocean, Paje, Zanzibar, Tanzania, East Africa, Africa

Glacier near Vernadsky Research Station, Antarctic Penisula, Antarctica, Polar Regions

Redwoods and Tree Ferns, The Redwoods, Rotorua, Bay of Plenty, North Island, New Zealand, Pacific

Mount Tasman and Cook Flat, Westland Tai Poutini National Park, UNESCO World Heritage Site, West Coast, South Island, New Zealand, Pacific

Holsbrua waterfall, Western Norway, Norway, Scandinavia, Europe

Merced River, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America

Aiguilles du Dru, Mont Blanc range, Chamonix, French Alps, France, Europe

A field of lavender below the town of Banon, Provence, France, Europe

The Bush, Masai Mara National Reserve, Kenya, East Africa, Africa

Ethiopian guides with tourists hiking to Gheralta Mountains, Tigray Region, Ethiopia, Africa

The Castle and Fremont River, Capitol Reef National Park, Utah, United States of America, North America

Winter landscape, near Villingen-Schwenningen, Black Forest-Baar (Schwarzwald-Baar) district, Baden-Wurttemberg, Germany, Europe

Northern Lights (Aurora Borealis), spectacular show in winter, Norwegian Sea, off Lofoten, Nordland, Arctic Circle, North Norway, Europe

Hiker near Laguna Grande del los Verde, El Cocuy National Park, Colombia, South America

Mountains of the Geisler Gruppe/Geislerspitzen, Dolomites, Trentino-Alto Adige, Italy, Europe

Alfred Nicholas Gardens, Dandenong Ranges National Park, Dandenong Ranges, Victoria, Australia, Pacific

Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Jiuzhaigou on the edge of the Tibetan Plateau, known for its waterfalls and colourful lakes, located in the north of Sichuan Province, China, Asia

Rainbow over Breaker Bay in Wellington, New Zealand, Oceania

Sgwd Gwladus waterfall near Ystradfellte in the Brecon Beacons National Park, Wales, United Kingdom, Europe

Thundering water at Gullfoss, Iceland's most famous waterfall, with sunlight streaming down through the spray, near Reykjavik, Iceland, Polar Regions

Cliffs of Sycamore Falls with dry inactive waterfalls, Kaibab National Forest near Williams, Arizona, United States of America, North America

View traillights toward Hathersage from Lawrencefield during autumn, Hathersage, Hope Valley, Derbyshire Peak District, Derbyshire, England, United Kingdom, Europe

Tufa spires and tower formations of calcium carbonate at sunset, Mono Lake, South Tufa Reserve, Mono Basin Scenic Area, Lee Vining, Inyo National Forest Scenic Area, California, United States of America, North America

St. Michael's Tower on Glastonbury Tor, Glastonbury, Somerset, England, United Kingdom, Europe

Dramatic cliff top scenery on the wild west coast of Orkney, Scotland, United Kingdom, Europe

Aerial view of St. Michael's Mount, Penzance, Lands End Peninsula, West Penwith, Cornwall, England, United Kingdom, Europe

Limestone ledges at Slade Sands on the Gower in winter, South Wales, United Kingdom, Europe

Mount Zao San, sunrise, Yamagata prefecture, Honshu, Japan, Asia

Glen Trool, seen from White Bennan, Dumfries and Galloway, Scotland, United Kingdom, Europe

Heather on the Galloway Hills, Castramont Hill looking towards Craig of Grobdale, Dumfries and Galloway, Scotland, United Kingdom, Europe

Pali sea cliffs on the Kalaulau trail, Napali Coast State Park, Kauai Island, Hawaii, United States of America, North America

Waimea Bay State Pier at sunset, Waimea, Kauai Island, Hawaii, United States of America, North America

Night view of the Milky Way with lit up tent in foreground, Himalaya Beach, Sonora, Mexico, North America

Goitstock Waterfall in Goitstock Wood, Cullingworth, Yorkshire, England, United Kingdom, Europe

Star trails at night in Wadi Al Arbeen, Sultanate of Oman, Middle East

Bluebell (Hyacinthoides non-scripta), Oxfordshire, England, United Kingdom, Europe

Garajonay National Park, UNESCO World Heritage Site, La Gomera, Canary Islands, Spain, Atlantic, Europe

Rainforest in Garajonay National Park, UNESCO World Heritage Site, La Gomera, Canary Islands, Spain, Atlantic, Europe

Cathedral Rock at the intersection of upper Baldwin Loop and HiLine Trails with sign warning that the HiLine Trail is for experts only, Sedona, Arizona, United States of America, North America

Autumn colours at Bowman Lake, Glacier National Park, Montana, United States of America, North America

Caldera de Taburiente National Park, UNESCO Biosphere Site, La Palma, Canary Islands, Spain, Atlantic, Europe

Sunset on the south coast of Devon, seen from Bantham and looking over Burgh Island, Devon, England, United Kingdom, Europe

Whooper swan (Cygnus cygnus) in flight. UK

Gentoo penguin (Pygoscelis papua) breeding colony at Dorian Bay, Antarctica, Polar Regions

The white church of Maloja Pass in the winter fairy-tale landscape of the Engadine Valley at the blue hour, Graubunden, Switzerland, Europe

View from El Pinar towards Tenerife at sunrise, El Hierro, Canary Islands, Spain, Atlantic, Europe

Countryside at sunset, Marche, Italy, Europe

Daffodils and blossom in spring, Hampton, Greater London, England, United Kingdom, Europe

Two men descend from Scafell Pike towards Wast Water, Lake District, Cumbria, England, United Kingdom, Europe

View of Curbar Edge from Baslow Edge, Baslow, Peak District National Park, Derbyshire, England, United Kingdom, Europe

El Limon Waterfall, Eastern Peninsula de Samana, Dominican Republic, West Indies, Caribbean, Central America

Piran at sunset, and the Mediterranean Sea, seen from Piran Town Walls, Piran, Primorska, Slovenian Istria, Slovenia, Europe

Alongside a picturesque millstone, atop a rocky promontory dominating the sea, rises the Castello di Falconara, Sicily, Italy, Mediterranean, Europe

Lai Da Vons, small lake in the Alps, Graubunden, Swiss Alps, Switzerland, Europe

Heather on Curbar Edge at dawn, with view towards Baslow Edge, late summer, Peak District, Derbyshire, England, United Kingdom, Europe

Aerial view of a lagoon on the Caribbean island of Antigua a thin line of sand divides the small salt basin from the sea, Antigua, Leeward Islands, West Indies, Caribbean, Central America

View over the south coast of Crete, Greek Islands, Greece, Europe

Green Bridge of Wales, Pembrokeshire Coast, Wales, United Kingdom, Europe

Aurora Borealis on the frozen lagoon of Jaegervatnet, Stortind, Lyngen Alps, Troms, Lapland, Norway, Scandinavia, Europe

The Northern Lights illuminates the wooden cabin, Oteren, Storfjorden, Lyngen Alps, Troms, Lapland, Norway, Scandinavia, Europe

A woman looks out over Loughrigg Tarn near Ambleside, Lake District National Park, Cumbria, England, United Kingdom, Europe

Snowy peaks reflected in the clear water of Lake Sils, Maloja, Canton of Graubunden, Engadine, Switzerland, Europe

The snowy peaks and colorful woods are reflected in Lake Champfer, St. Moritz, Canton of Graubunden, Engadine, Switzerland, Europe

House in a lavender field at sunset, Plateau de Valensole, Alpes-de-Haute-Provence, Provence-Alpes-Cote d'Azur, France, Europe

Bluebells in ancient woodland of Gillfield Wood, Totley, Sheffield, South Yorkshire, England, United Kingdom, Europe

Bluebells in ancient woodland of Gillfield Wood, Totley, Sheffield, South Yorkshire, England, United Kingdom, Europe

Green meadows covered with blooming crocus framed by snowy peaks in spring, Barchi, Malenco Valley, Valtellina, Lombardy, Italy, Europe

Rocky peak of Cima Presanella seen from Monte Tonale at dawn, Valcamonica, border Lombardy and Trentino-Alto Adige, Italy, Europe

View of blue skies over Whistler Blackcomb from Sprout Mountain, British Columbia, Canada, North America

Rhododendrons in bloom in front of Mont Blanc, Veny Valley, Courmayeur, Aosta Valley, Italy, Europe

Iceberg filled glacial lagoon, Spitsbergen, Svalbard, Arctic, Norway, Europe

Laguna Beach sunset, California, United States of America, North America

Mountain Portella at sunrise, Gran Sasso e Monti della Laga National Park, Abruzzo, Italy, Europe

Valparola PassPasso di Valparola, Livinallongo del Col di Lana, Province of Belluno, Dolomites, Italy, Europe

Milky way on Piz Bernina, Fuorcla Surlej, Corvatsch, Engadine, Canton of Graubunden, Swiss Alps, Switzerland, Europe

Milky Way on Piz Bernina, Fuorcla Surlej, Corvatsch, Engadine, Canton of Graubunden, Swiss Alps, Switzerland, Europe

Turquoise lake between rocky peaks and meadows, Crap Alv Lejets, Albula Pass, Canton of Graubunden, Swiss Alps, Switzerland, Europe