Castle Stalker near Port Appin, Western Highlands, Scotland, United Kingdom, Europe

Sunset, Loch Levan, Glencoe village, Western Highlands, Scotland, United Kingdom, Europe

Ruins of Glaoui kasbah at Telouet, with snow capped High Atlas Mountains in distance, Telouet, Morocco, North Africa, Africa

Strutta Wood, near Ashness Bridge, Borrowdale, Lake District, Cumbria, England, United Kingdom, Europe

Dozens of colourful traditional slippers in the souk off the Djemaa el Fna, Marrakech, Morocco, North Africa, Africa

Orange sand dunes and sand ripples, Erg Chebbi sand sea, Sahara Desert near Merzouga, Morocco, North Africa, Africa

Orange sand dunes and sand ripples, Erg Chebbi sand sea, Sahara Desert near Merzouga, Morocco, North Africa, Africa

Interior of a once ornate and grand apartment building, now in a state of disrepair, Havana, Cuba, West Indies, Central America

Misty dawn panoramic view towards Belvedere, across Val d'Orcia, UNESCO World Heritage Site, San Quirico d'Orcia, near Pienza, Tuscany, Italy, Europe

Waterfall below Old Man of Storr, near Portree, Isle of Skye, Highland, Scotland, United Kingdom, Europe

Winter view across frozen Lochain na h'Achlaise at dawn, first light catching distant mountains, foreground filled with frost-covered grass, Rannoch Moor, near Fort William, Highland, Scotland, United Kingdom, Europe

Male Atlantic walrus (Odobenus rosmarus rosmarus) hauled out to molt at Kapp Lee, Edgeoya, Svalbard, Norway, Scandinavia, 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

Panorama of Bell Rock, Courthouse Butte, and Lee Mountain, viewed from the HiLine Trail, composed of three photos, Arizona, United States of America, North America

Close up of fish in market, Mykonos, Cyclades Islands, Greece, Europe

Straight country road through fenland near Peterborough, Cambridgeshire, England, UK

White walled houses on a narrow street in the village of Ecija, in the province of Seville, Andalucia, Spain, Europe

View towards islands of Harris and Lewis from Taransay, Outer Hebrides, Scotland, United Kingdom, Europe

Antelope Canyon, Page, Arizona, United States of America (U.S.A.), North America

Wicken Fen, Cambridgeshire, England, United Kingdom, Europe

Budir Church at sunrise, hamlet on Budir in Stadarsveit on the Snaefellsnes Peninsula, Iceland, Polar Regions

Icebergs at sunset on Jokulsa Beach, on the edge of the Vatnajokull National Park, South Iceland, Iceland, Polar Regions

View of icebergs on Jokulsarlon, a glacial lagoon at the head of the Breidamerkurjokull Glacier, with some icebergs illuminated by the afternoon winter sun, on the edge of the Vatnajokull National Park, South Iceland, Iceland, Polar Regions

The Aurora Borealis (Northern Lights) captured in the night sky over Jokulsarlon glacial lagoon on the edge of the Vatnajokull National Park, during winter, South Iceland, Iceland, Polar Regions

View of icebergs on Jokulsarlon, a glacial lagoon at the head of the Breidamerkurjokull Glacier, with some icebergs illuminated by the afternoon winter sun, on the edge of the Vatnajokull National Park, South Iceland, Iceland, Polar Regions

Idyllic beach scene with blue sky, aquamarine sea and soft sand, Ile Aux Cerfs, Mauritius, Indian Ocean, Africa

View of idyllic Belle Mare Beach showing blue sky, soft sand and the aquamarine sea of the Indian Ocean, near Centre De Flacq on the east coast of Mauritius, Indian Ocean, Africa

View along Highway 163 towards Monument Valley Tribal Park, Arizona, United States of America, North America

View towards Luskentyre and the hills of North Harris from Isle of Taransay, Outer Hebrides, Scotland, United Kingdom, Europe

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

The Michael Lee-Chin Crystal, design by architect Daniel Libeskind, The Royal Ontario Museum (ROM), Toronto, Ontario, Canada, North America

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

Panorama of the Colorado River just north of Lee's Ferry in the Glen Canyon Recreation Area, Arizona, United States of America, North America

Termite mound near Okahandja, Namibia, Africa

Railway tracks near Mariental, Namibia, Africa

Waterfall near Uig, Isle of Lewis, Outer Hebrides, Scotland, United Kingdom, Europe

Street scene in Havana Viejo, with Capitolio Nacional in background, Havana (La Habana), Cuba, West Indies, Central America

Dhow in silhouette on the Indian Ocean, off Stone Town, Zanzibar, Tanzania, East Africa, Africa

Djemma el Fna, Marrakesh (Marrakech), Morocco, North Africa, Africa

Mountains and glaciers on the edge of the Vatnajokull Ice Cap near Skaftafell National Park, reflecting in a nearby lake, South Iceland, Iceland, Polar Regions

Jokulsa Beach on a stormy day, where icebergs from nearby Jokulsarlon glacial lagoon flow into the North Atlantic and are washed back onto the black volcanic sand beach, on the edge of the Vatnajokull National Park, South Iceland, Iceland, Polar Regions

Classic American car with Taxi sign in windscreen, Havana, Cuba, West Indies, Central America

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

Old Man of Storr at dawn with Cuillin Hills in distance, near Portree, Isle of Skye, Highland, Scotland, United Kingdom, Europe

Seljalandsfoss Waterfall captured at dusk using long exposure to record movement in the water, near Hella, southern area, Iceland, Polar Regions

Black Mount Hills covered in snow on a sunny winter's day with reflections in a frozen Lochain, Rannoch Moor, Highland, Scotland, United Kingdom, Europe

Panorama of the Colorado River just north of Lee's Ferry in the Glen Canyon Recreation Area, Arizona, United States of America, North America

Fields and farms near Fowey, Cornwall, England, UK

Two fish for sale at the daily morning fish market, Stone Town, island of Zanzibar, Tanzania, East Africa, Africa

Morning view across Val d'Orcia to The Belvedere, near San Quirico d'Orcia, Tuscany, Italy, Europe

Crowds of locals and tourists walking among the shops and stalls in the Djemaa el Fna at sunset, Marrakech, Morocco, North Africa, Africa

Vintage American car parked in front of the green and blue walls of a colonial building, Trinidad, Sancti Spiritus, Cuba, West Indies, Caribbean, Central America

Buildings along The Malecon bathed in soft evening sunlight with large waves crashing against the sea wall, The Malecon, Havana, Cuba, West Indies, Caribbean, Central America

Yellow plastic bag full of fresh fish on back of bicycle, Stone Town, Zanzibar, Tanzania, East Africa, Africa

Country lane at sunrise, with sun shining through trees, near Pienza, Tuscany, Italy, Europe

Soufriere, St Lucia, Caribbean

View across the Aln Estuary at sunset, Alnmouth, near Alnwick, Northumberland, England, United Kingdom, Europe

Hilltop church against twilight sky, Vik i Myrdal, southern area, Iceland, Polar Regions

The Markt, Bruges, UNESCO World Heritage Site, Belgium, Europe

Panoramic view of canal, colourful houses and reflections, Burano, Venice, Veneto, Italy, Europe

Panoramic view at sunset during winter over Jokulsarlon, a glacial lagoon at the head of the Breidamerkurjokull Glacier on the edge of the Vatnajokull National Park, South Iceland, Iceland, Polar Regions

Jokulsa Beach at sunrise, on the edge of the Vatnajokull National Park, South Iceland, Iceland, Polar Regions

Icebergs at sunset on Jokulsa Beach, on the edge of the Vatnajokull National Park, South Iceland, Iceland, Polar Regions

View of icebergs on Jokulsarlon, a glacial lagoon at the head of the Breidamerkurjokull Glacier, with some icebergs illuminated by the afternoon winter sun, on the edge of the Vatnajokull National Park, South Iceland, Iceland, Polar Regions

View at sunrise towards the ruin of Dunstanburgh Castle from the beach of basalt boulders known as The Rumble Churn at the southern end of Embleton Bay, Embleton, near Alnwick, Northumberland, England, United Kingdom, Europe

El Palau de les Arts Reina Sofia at the City of Arts and Sciences (Ciudad de las Artes y las Ciencias), Valencia, Spain, Europe

View of idyllic Belle Mare Beach showing blue sky, soft sand and the aquamarine sea of the Indian Ocean, near Centre De Flacq on the east coast of Mauritius, Indian Ocean, Africa

Mesa Arch at sunrise, Canyonlands National Park, Utah, United States of America, North America

Standing stones of Callanish, Isle of Lewis, Outer Hebrides, Scotland, United Kingdom, Europe

St. John's in the Vale, near Keswick, Lake District, Cumbria, England, United Kingdom, Europe

Quiver Trees, Namibia, Africa.

Koutoubia Mosque, Marrakesh, Morocco

View towards Taransay at sunset from the rocky shore at Scarista, Isle of Harris, Outer Hebrides, Scotland, United Kingdom, Europe

Sandstone pillars bathed in golden evening light, Monument Valley Navajo Tribal Park, border of Utah and Arizona, United States of America, North America

Honeycombe Rock bathed in evening light with Cuillin Hills in distance, Elgol, Isle of Skye, Highland, Scotland, United Kingdom, Europe

Winter view along partly-frozen River Etive towards distant mountains, Glen Etive, Rannoch Moor, near Fort William, Highland, Scotland, United Kingdom, Europe

Dramatic volcanic landscape with mudpools in geothermal area on Reykjanes Peninsula, near Keflavik, Iceland, Polar Regions

Isolated church with hazy outline of distant mountain in the background, Snaefellsnes Peninsula, Iceland, Polar Regions

Brass Hand of Fatima door knocker, a popular symbol in Southern Morocco, Merzouga, Morocco, North Africa, Africa

North Brink, one of England's finest Georgian Streets, Wisbech, Cambridgeshire, England

Dunstanburgh Castle and Embleton Bay, Northumberland, England, UK

Beech woodland, Alnwick Garden, Alnwick, Northumberland, England, United Kingdom, Europe

Icebergs at sunset on Jokulsa Beach, on the edge of the Vatnajokull National Park, South Iceland, Iceland, Polar Regions

Grassy landscape and snow-covered mountains bathed in winter light in the hamlet of Budir in Stadarsveit on the Snaefellsnes Peninsula, Iceland, Polar Regions

View over Jokulsarlon, a glacial lagoon at the head of the Breidamerkurjokull Glacier, towards icebergs and snow-capped mountains, with reflections in the calm water of the lagoon on a winter's afternoon, on the edge of the Vatnajokull National Park, South Iceland, Iceland, Polar Regions

Sunset over Jokulsarlon, a glacial lagoon at the head of the Breidamerkurjokull Glacier on the edge of the Vatnajokull National Park, South Iceland, Iceland, Polar Regions

Orange sand dunes and sand ripples, Erg Chebbi sand sea, Sahara Desert near Merzouga, Morocco, North Africa, Africa

View towards Lindisfarne Castle with an old blue and red fishing boat in the foreground, Lindisfarne (Holy Island), Northumberland, England, United Kingdom, Europe

L'Umbracle (landscaped walk) at the City of Arts and Sciences (Ciudad de las Artes y las Ciencias), Valencia, Spain, Europe

View towards the southern tip of the Isle of Harris from Taransay at dusk, Outer Hebrides, Scotland, United Kingdom, Europe

The Vermilion Cliffs adjacent to Glen Canyon Recreation Area viewed from the plateau at the end of Spencer Trail in Marble Canyon with Lee's Ferry on the lower left with the Colorado River, Arizona, United States of America, North America

Northern Gannet (Morus bassanus) in flight, Stac Lee, island Marilyn, St. Kilda Archipelago, UNESCO World Heritage Site, Outer Hebrides, Scotland, United Kingdom, Europe

Colorful church, Firostephani, Santorini, Cyclades Islands, Greece, Europe

Diamond Falls, St. Lucia, Windward Islands, Caribbean, West Indies, Central America

Quivertrees (kokerbooms) in the Quivertree Forest (Kokerboomwoud), near Keetmanshoop, Namibia, Africa

View over shell beach towards Isle of Harris, from Taransay, Outer Hebrides, Scotland, United Kingdom, Europe

Lochain na h'Achlaise, Rannoch Moor, Western Highlands, Scotland, United Kingdom, Europe

Park Avenue, Arches National Park, Moab, Utah, United States of America (U.S.A.), North America

Wooden jetty with boats tied to it stretching out into the Indian Ocean off an idyllic beach on Ile Aux Cerfs, Mauritius, Indian Ocean, Africa

Idyllic beach scene with blue sky, aquamarine sea and soft sand, Ile Aux Cerfs, Mauritius, Indian Ocean, Africa