The European towns of Brașov and Râșnov each have proud signs reminiscent of the Hollywood sign.

This snug medieval lane is one of the narrowest streets in the world.

Something's watching you.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

This elaborately decorated, fairytale-like Romanian royal palace is one of the most striking castles in Europe.

A statue in Budapest's Liberty Square honors the former U.S. president's efforts to end the Cold War.

The mummified right fist of a 1,000-year-old saint-king sits inside an ornate golden reliquary.

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.

Ancient mysterious ruts carved in the bedrock.

This unique building in the main square stands out among the city's typically Baroque architecture.

A centuries-old forgotten underworld lies beneath Malta.

The floor of this spectacular Baroque sanctuary is covered in memento mori.

Stone Age solar temple is aligned with the sun on each equinox and solstice.

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

This shining multicolored metro station deep under Naples is said to be the most beautiful in Europe.

Erotic art covers the walls of the largest ancient pleasure palace.

A little sculpture with a large wardrobe.

A man throwing a giant severed hand towers over Antwerp’s main square.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

Unsurprisingly, Holland is home to one of the most magnificent flower gardens in the world.

This towering church is home to a world-famous organ and a treasure trove of medieval art.

The Bloemen Route, or “Flower Route”, stretches 25 miles through prime Dutch tulip country as a result of “tulip mania,” the world’s first economic bubble.

Europe’s oldest natural human mummy.