A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

This classic restaurant features a gorgeous mirror-clad room.

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

The most visited, and possibly most controversial, museum in Germany.

A 141-foot wave of crashing lumber guards the entrance to the Grand Place in Mons.

This narrow Ghent alleyway is an officially sanctioned street art tunnel.

Brussels' favorite peeing boy has a sister.

Christ's blood preserved in a Belgian town.

A little sculpture with a large wardrobe.

Meet the bronze beloved pet to a family of famous peeing statues.

Theme park featuring miniature replicas of European monuments.

Three floors of musical instruments coming from all corners of the world and hundreds of years of musical history.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

Cozy basement bar sports an inventory of over 2,000 beers.

Climb inside an iron crystal magnified 165 billion times its normal size.

This former steel and coal plant is now a neon-lit industrial fantasia.

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

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

Ancient serpentine sacrifice holder that has stood the test of time.

A fountain standing as a testament to a doomed alliance.

1513 Turkish world map, full of European state secrets and snarky commentary.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.