Cold tourists on seat surrounded by steam, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

The Castlefield Basin, and Beetham Tower, Castlefield, Manchester, England, United Kingdom, Europe

Hot Springs, Lower Geyser Basin, Yellowstone National Park, Wyoming, United States of America, North America

Hot Springs, Lower Geyser Basin, Yellowstone National Park, Wyoming, United States of America, North America

Grand Prismatic Spring and bacterial mats, Midway Geyser Basin, Yellowstone National Park, Teton County, Wyoming, United States of America, North America

Trees crusted in frost and thermal features, cold Autumn (Fall) day, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Trees crusted in frost and thermal features, cold Autumn (Fall) day, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Marble basin for cold water in the Calidarium, Forum Baths, Pompeii, UNESCO World Heritage Site Campania, Italy, Europe

Buffalo beside Firehole River in winter in Midway geothermal basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America (U.S.A.), North America

Harbour filled with ice floes, Christianshab, Greenland

Cold bathing hall and outdoor pools of Leuze Mineral Spa Bath in Stuttgart, Baden-Wuerttemberg, Germany, Europe

Ship in the harbour of Ilulissat, Greenland

Cold bathing hall of Leuze Mineral Spa Bath in Stuttgart, Baden-Wuerttemberg, Germany, Europe

Hofsos at Skagafjoerdur during winter, Iceland. Hofsos, a traditional fishing village with many historic buildings on the coast of Skagafjoerdur during winter. The municipal swimming pool. europe, northern europe, iceland, March

Hofsos at Skagafjoerdur during winter, Iceland. Hofsos, a traditional fishing village with many historic buildings on the coast of Skagafjoerdur during winter. The municipal swimming pool. europe, northern europe, iceland, March

Woman swimming in Emperor Frederick swimming pool, Wiesbaden, Hesse, Germany

Woman swimming in Emperor Frederick swimming pool, Wiesbaden, Hesse, Germany