Once the home of a hermetic monk, this cave now houses a small church.

Electrical curiosity museum housed in an old transformer station.

A museum dedicated to a secret military hospital hidden beneath a castle in Budapest.

A Hungarian pharmacy museum with a box full of mummy powder.

A museum in the childhood house of a medical pioneer.

A series of caves under Castle Hill that once held the prisoner Vlad Tepes, better known as Count Dracula.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

The Cadillac Ranch for monster truck aficionados.

Scenic mount trashmore, Virginia Beach's most curious waterfront still has a couple of secrets.

The only known Futuro house in North Carolina sits along a stretch of desolate highway on the Outer Banks.  .

An ultra-modern diversity park in Denmark has turned an entire city block electric pink.