Tourists in inflatable cruising past icebergs, Antarctica

Icebergs, Lake Gray, Torres del Paine National Park, Patagonia, Chile, South America

Glacier ice melting and icebergs at Perito Moreno, Moreno Glacier, Parque Nacional Los Glaciares, UNESCO World Heritage Site, Patagonia, Argentina, South America

Aerial view of icebergs at Moreno Glacier (Perito Moreno), Parque Nacional Los Glaciares, UNESCO World Heritage Site, Patagonia, Argentina, South America

Towering glacier in Paradise Harbour, Antarctic Peninsula, Antarctica, Polar Regions

Sharks Tooth Peak and Raspberry Hut, Matukituki Valley, Mount Aspiring National Park, Central Otago, South Island, New Zealand, Pacific

Rugged summits, high altitude winter valley on the Langtang trek in Kyanjin Gompa, Himalayas, Nepal, Asia

The town of Zermatt and the Matterhorn mountain, Zermatt, Valais (Wallis), Swiss Alps, Switzerland, Europe

Glencoe, Highland Region, Scotland, UK, Europe

Bernina Range with Mount Piz Bernina, 4048 metres above sea level, and Mount Piz Morteratsch, 3751 metres above sea level, Buendner Alps, Canton of Graubuenden, Switzerland, Europe

Colorado, Near Aspen, Landscape of Maroon Lake and on Maroon Bells in distance, Early snow.

Colorado, Near Aspen, Landscape of Maroon Lake and on Maroon Bells in distance, Early snow.

Aerial View of the Alps, Italy

People in small inflatible zodiac rib boats passing towering sculpted icebergs on the calm water around small islands of the Antarctic Peninsula, Antarctic Peninsula, Antarctica

Two people with rucksacks on a narrow path rising to a dramatic landscape of rock pinnacles on the skyline towering above them, under an overcast sky with low cloud, Scotland, United Kingdom