Aurora borealis (Northern Lights) over Kirkjufell Mountain (Wizard's Hat) reflected in ocean, Iceland, Polar Regions

Ardvreck Castle, the remains of a stone stronghold dating from circa 1490 CE, Sutherland, Highlands, Scotland, United Kingdom, Europe

Aurora borealis (Northern Lights) over Kirkjufell Mountain (Wizard's Hat) reflected in ocean, Iceland, Polar Regions

Historic hilltop walled medieval village of Mertola with castle, on the banks of the river Rio Guadiana, Baixo Alentejo, Portugal, Europe

Long exposure of a serene sunset over the Prince of Wales Bridge, the Second Severn Crossing, M4 motorway over the River Severn, clear skies, and warm sunlight, between England and Wales, United Kingdom, Europe

Mountainous fjord, Kulusuk, Greenland, Denmark, Polar Regions

The leaning tower of San Giorgio dei Greci, Castello district, Venice, UNESCO World Heritage Site, Veneto, Italy, Europe

Aerial view taken by drone of iceberg in Jokusarloon Glacier Lagoon during a summer day, Iceland, Polar Regions

Aerial view taken by drone of Skyggnisvtn lake in Landmannalaugar area, during a summer day, Iceland, Polar Regions

Ice in all of its myriad forms in the Svalbard Archipelago, Norway, Arctic, Europe

Basilica Cistern, Sultanahmet, UNESCO World Heritage Site, Fatih District, Istanbul Province, Turkey, Europe

Scenic mountain landscape of Kyrgyzstan with lush Greenery and Snow-Capped Peaks overlooking Kol Ukok Lake, Kyrgyzstan, Central Asia, Asia

Ubinas volcano reflected in a pool at salt flats, Salinas y Aguada Blanca National Reserve, Arequipa Province, Arequipa Region, Peru, South America

Mont-Saint-Michel, UNESCO World Heritage Site, in the mouth of the Couesnon river at dusk, Manche department, Normandy region, France, Europe

Tower Bridge at sunrise, London, England, United Kingdom, Europe

View of the Munch Museum and city skyline at sunset, Oslo, Norway, Scandinavia, Europe

Mont-Saint-Michel bay and Abbey, UNESCO World Heritage Site, Manche department, Normandy region, France, Europe

Aerial of the Windgfallweiher reservoir, Schwarzwald (Black Forest), Baden-Wurttemberg, Germany, Europe

Interior of the submarine base and the Bassins des Lumieres show, Bordeaux, Gironde, Nouvelle-Aquitaine, France, Europe

Basilica Cistern with an orange illumination. Istanbul, Turkey, Europe

View of Ionian Sea and Paralia Mparmpati at dusk, Barbati, Corfu, Ionian Sea, Greek Islands, Greece, Europe