A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

Budapest's Communist-era statues, banished to the suburbs.

This off-beat, quirky communism-themed bar isn't afraid to poke fun at its history.

Museum dedicated to the terror regimes of Hungary.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

Many people don't realize there’s a lot going on in—and below—the world’s tallest triumphal arch.

Skulls and skeletons are omnipresent in this church dedicated to souls trapped in purgatory.

Thousand-year-old Viking runes adorn an ancient Greek lion at the entrance to the Venetian Arsenal.

Two stone columns flank the grand Venice square, but there were supposed to be three.

A cave in southern Italy adorned with thousand-year-old Biblical frescoes existed in obscurity until fairly recently.

An extensive collection of reliquaries containing the bones of saints housed in the largest Catholic church in Venice.

Hanging within this medieval church are the bones of a beast allegedly slain by a fourth-century saint.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

People have been living in the cave houses on this Italian hillside since the Neolithic era.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

A small but immensely extravagant palace built by the "Night King."

The fairy tale castle of the "fairy-tale king."