|Križna jama is a cave located in Loška dolina, Slovenia. The cave is particularly noted for its chain of twenty-two subterranean lakes of emerald green water|
|Lechuguilla Cave, New Mexico , is the fifth longest cave discovered yet at 120 miles (193 km) long and measures 489 metres (1,604 ft) deep, making it the deepest in continental United States.|
|Cheddar Gorge is Britain’s biggest canyon and is found within the Cheddar Caves, where the UK’s oldest complete human skeleton was found in 1903. Known as the Cheddar Man, the remains were estimated to be 9,000 years old.|
|This underground lake near Macan Ché on the Yucatán Peninsula is one of many that are considered to be gifts from the gods by the Mayans, and therefore sacred.|
The above pics are of The Heaven Lake which is a crater lake on the border between China and North Korea. It lies within a caldera atop the volcanic Baekdu Mountain, a part of the Baekdudaegan mountain range and the Changbai mountain range. It is located partly in Ryanggang Province. It appears so strange and so magnificent to see a lake and that too on the top of a mountain. Now that is what is called as Nature perhaps, it never fails to astonish us and surprise us.