This 240-meter-long cave system has been one of Guilin, China’s most popular attractions for over 1200 years. The beautiful stalactites, stalagmites and pillars were all created through water erosion. In the present day, they are highlighted by multi colored lights which create a truly surreal environment.
Turquoise Ice, Lake Baikal, Russia
Lake Baikal is the oldest freshwater lake in the world. In the winter, the lake freezes, but the water is so clear that you can see 130 feet below the ice. In March, frost and sun cause cracks in the ice crust, which results in the turquoise ice shards we see at the surface.
Plitvice Lakes, Croatia
Plitvice National Park is the largest of its kind in Croatia and the oldest in Southeast Europe. Over thousands of years, water flowing over limestone and chalk created natural dams and eventually, beautiful lakes, caves and waterfalls.