Have you ever seen something in a movie or online and thought, “That’s totally fake,” only to find out it’s absolutely a real thing? That’s sort of how this house in Pennsylvania comes across. It just seems too fantastical to be real, and yet, somehow, it actually exists.

The home sits between Greencastle and Mercersburg, Pennsylvania, and houses a pretty unique public secret. There’s a cave in the basement. Not a man cave or a basement that makes you feel like you’re in a cave, but an actual natural cave you can’t get to unless you go through the house.

Here’s what a cave tour looks like starting from the outside of the house:

Turns out the cave was discovered in the 1830s on the land of John Coffey, according to Uncovering PA, but the story of how it was found is unclear. People would........

© Upworthy