Instant Alert: 24 incredible underground attractions to visit in your lifetime

MANAGE SUBSCRIPTIONS   |   UNSUBSCRIBE   |   VIEW ONLINE   24 incredible underground attractions to visit in your lifetime by Talia Avakian on Dec 2, 2015, 3:11 PM Advertisement Some of the world's most breathtaking travel destinations may be hidden in the ground beneath your feet. While some are man-made constructions, others are fascinating natural wonders that have been formed over the course of thousands of years.  We've put together a list of 24 subterranean attractions to visit in your lifetime, from a 10,000-year-old cave in Playa del Carmen, Mexico, to a town that built a library, church, bar, and homes underground.  SEE ALSO: 19 natural wonders everyone should see before they disappear DON'T FORGET: Follow Business Insider's lifestyle page on Facebook! Salina Turda, located in Turda, Romania, is home to an underground theme park inside one of the oldest salt mines in the world. Head 400 feet down to reach an amphitheater, bowling alley, mini golf course, ping pong courts, Ferris wheel, and an underground lake with row boats. Click here to learn more about Salina Turda » St. Michael's Cave is a network of limestone caves situated in the Upper Rock Nature Reserve of Gibraltar. The cave has been used as a theater since the early '60s and has a seating capacity of 400. Click here to learn more about St. Michael's Cave » Bounce Below is a set of three giant trampolines nestled inside the Llechwedd Slate Caverns — a former Victorian slate mine in Blaenau Ffestiniog, North Wales. It was created by Zip World, a company specializing in adventure activities. Click here to learn more about Bounce Below » See the rest of the story at Business Insider   Share the latest business news with your network: Email sent to:   |   Manage your email preferences   |   Unsubscribe Terms of Service   |   Privacy Policy Business Insider. 150 Fifth Avenue, New York, NY 10011