The alleged house of the Virgin Mary is tucked away in a park and nature preserve on Mt. Koressos in Turkey and is holy to both Catholics and Muslims alike.

An ancient church on a tiny island covered in stone bible stories has controversially been turned into a museum.

A sixth-century Byzantine cistern hidden below a modern carpet store.

A reproduction of earth's many biomes.

America's only nuclear missile silo open to the public.

The stone-covered graves lie within the ruins of an Old West ghost town.

The massive, incredibly rare instrument is over 11 feet tall with a range so deep it goes lower than humans can hear.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

Miniature art that tells an enormous story.

This grimly-titled Texas cemetery is all that remains of a Wild West settlement with possibly the worst name.

This old abandoned sign flickers to announce a motel that isn't even there.

At the "Garage Mahal" in Houston, car culture is about more than just driving.

DIY collection of eclectic holdings.