Salina Turda, located in Turda, Romania, is home to an underground theme park that's nestled inside one of the oldest salt mines in the world.
Flickr/Cristian Bortes
Today, it has been transformed into an incredible underground theme park.
Shutterstock/RossHelen
Once inside, you'll find an amphitheater, a bowling alley, an underground lake with paddle and row boats, and even a Ferris wheel.
Shutterstock/Radu Bercan
You'll also find a mini golf course and ping pong courts.
It's easy to get distracted by the stunning rugged caverns, the result of mining that carved out over three billion tons of salt.
Salina Turda is open year-round. Costs vary based on your preferred package, but will typically be around 15 lei (about $4) for adults.To tour the stunning site, see the video below.