Down a cobblestone alleyway is a museum dedicated to Romanticism, with a secret garden.

"In the Dark" Restaurant in Paris offers dinner in complete darkness.

This museum houses an imposing skeleton army comprised of creatures great and small.

This Parisian café sticks almost exclusively to an ethos of reuse.

A counter-culture bookstore like no other hides in plain sight in the streets of Paris.

The very center of Paris is surrounded by a bevy of strange good luck rituals.

A museum of carnival attractions where you are invited to ride the rides.

Once a 19th-century brasserie, this McDonald's exterior celebrates Alsatian design and the "King of Beer."

Walk through spectacular aisles of hanging meat and wagon wheel–sized cheese at the world's largest wholesale food market.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

This massive library holds what was once the largest book collection in the world.

France's most famous cemetery, with some of its most curious tombs.

Where royalty waits in the height of luxury.

Some 80,000 Delft Blue tiles line the inside of this Amsterdam walkway.

A beautiful maze marks where three countries meet.

Peek through a transparent pyramid and drink in the mountain made of books.

This imposing tower named after the mythical sword of King Arthur is considered the tallest freestanding climbing wall in the world.

A bizarre form of natural mummification was discovered in the church of this Frisian village.

A luxury hotel housed in a former 15th century Gothic church.

The tallest waterfall in the Netherlands is a lovely, stepped feature that is only 50 feet tall.

Incredible labyrinth of man made caves.

This centuries-old gothic monster has been converted into a sprawling, glossy bookstore.

Oldest Museum of the Netherlands is a true cabinet of curiosities.

Hidden within a Netherlands crater is a stone bed that lets those who lie in it see the sky as a curved surface.