Floe stone in the main cave at Carlsbad Caverns National Park, UNESCO World Heritage Site, located in the Guadalupe Mountains, New Mexico, United States of America, North America

Floe stone in the main cave at Carlsbad Caverns National Park, UNESCO World Heritage Site, located in the Guadalupe Mountains, New Mexico, United States of America, North America

Perito Moreno Glacier calving, Parque Nacional Los Glaciares (Los Glaciares National Park), Patagonia, Argentina, South America

View of the continental ice sheet, Johan Petersen Fjord, East Greenland, Greenland

Ice floes in the Sermiligaq Fjord, Ammassalik District, East Greenland, Greenland, Denmark