The Reed Flute Cave, a natural limestone cave in Guilin, Guangxi, China, dazzles tourists and visitors with its unique rock formations illuminated in multicolored lights. The artificial, ambient lighting creates a kaleidoscope of colors, and spotlights the stalagmites, stalactites and stone pillars of the 180 million-year-old cave, also called the "Palace of Natural Arts."

Named after the reed that once grew at the entrance to the cave (and crafted into flutes), the Reed Flute Cave has been one of the most visited attractions in Guilin for 1,200 years. Inside the cave are inscriptions written in ink, said to be travelogues and poems which can be dated back as far as 792 AD in the Tang Dynasty. The cave officially opened to visitors in 1962, and ambient lighting was installed years later to to spotlight the cave's "natural sculptures."

Visitors to the 240 meter-long cave navigate the site on foot and by boat to see various rock formations with mythology-based names, such as "Virgin Forest," "Crystal Palace," and "Flower and Fruit Mountain."

View ths slideshow above to see vibrant images of the cave and its unique formations.

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