Beaches, waterfalls, palm trees and exotic animals are not a usual staple of a holiday to Berlin, but that's what you'll find if you visit the part of the country.
This old Soviet hanger just outside the capital may look fairly unassuming from the outside, but its actually housing a pretty big secret.
Another world exists inside, with seven different zones inspired by different areas of the world including Thailand and Africa, 12 bars and restaurants, a beach, a rainforest, a lagoon and a golf course!
The hanger is so big that guests can get balloon rides across the sand and there's enough space to house the Statue of Liberty.
Pretty rad, yeh...
... But we can't help thinking that we'd quite like to spend more of our leisure time in the real world.
What do you think of this futuristic indoor paradise?