By Samantha Grossman
March 17, 2015

Hang Son Doong in Vietnam is the world’s largest cave — so huge it has an underground river running through it and massive stalagmites more than 230 feet high. (Not to mention the fact that the Empire State Building could fit inside it.)

New drone footage from photographer Ryan Deboodt lets you explore this otherworldly cave. You’ll see its massive rock formations, lush plant life and spectacular view of the stars.

“It’s incredibly difficult to put into words how amazing Hang Son Doong really is,” Deboodt wrote on his blog. “It is truly otherworldly and something that probably can’t be experienced anywhere else in the world.”

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