22. Lake Baikal, Russia
Lake Baikal, in Siberia, Russia, is the deepest and oldest freshwater lake in the world. It holds about 20% of the planet’s unfrozen fresh water. This UNESCO World Heritage Site is famous for its clear waters, diverse wildlife, and beautiful scenery. In winter, the lake freezes, offering opportunities for ice skating, dog sledding, and ice fishing. The surrounding forests and mountains are great for hiking, spotting wildlife, and camping. The area also has a rich cultural history with local Buryat communities and ancient traditions, making it a unique and attractive destination.