Mysterious Places

Waterfalls are among the most dramatic landscapes on Earth, but some are far stranger than the classic image of a river dropping over a cliff. Around the world, there are…

Lake Baikal is unlike any other lake on the planet. Hidden among the mountains and forests of Siberia, it is famous for its extraordinary depth, ancient age, clear water, unusual…

Deep beneath the surface, some caves contain ecosystems so isolated and chemically unusual that they resemble miniature alien worlds. The most famous example is Movile Cave in southeastern Romania. Its…

The deepest caves on Earth are not simply holes descending into the ground. They are enormous underground systems containing vertical shafts, flooded passages, waterfalls, narrow tunnels, subterranean rivers, and chambers…

When most people imagine Antarctica, they picture endless snowfields, towering glaciers, and freezing temperatures. Surprisingly, one of the continent's most remarkable regions contains almost no snow or ice at all.…