2. Reed Flute Cave, China
Discovered in 792 AD, the Reed Flute Cave in Guilin, China is not just a natural wonder but it also a site of historical importance. The walls of this cave have travelogue and poem inscriptions which are dated back to 618-918 AD, the period of Tang Dynasty. The cave is 240 meters high and has spellbinding stalactites formations inside it. One of the most wonderful caves that you should see, Reed Flute Cave is 180 million years old and is named after the reed found outside the cave which can be made into flute. To attract more tourists, the cave is also artificially illuminated at night
