Salt & Ice
Bolivia
Salar de Uyuni
World's largest salt pan covering 10,582 square kilometers, creating a seamless mirror after thin rain accumulation.
Salt & Ice
Pillars
China
Zhangjiajie Sandstone Pillars
Over three thousand steep sandstone monadnocks carved by physical weathering and root expansion.
Biological
Yemen
Socotra Island Archipelago
Island containing 37% endemic plant species found nowhere else on earth, dubbed the most alien place on Earth.
Geothermal
USA
Fly Geyser Nevada
Multi-hued geothermal travertine structure continuously growing from dissolved calcium carbonate deposits.
Biological
New Zealand
Waitomo Glowworm Caves
Limestone caverns home to glowworms illuminating subterranean river ceilings in luminous cyan light.
Salt & Ice
Russia
Lake Baikal Ice Formations
Deepest freshwater lake in the world creating clear ice hummocks, frozen spray hummocks and gas bubbles.