A set of seven houses, each built in a style that represents a European country.

Amsterdam's former hotspot for public executions and dissections.

This subterranean studio is filled with fascinating kinetic art.

This pirate-broadcasting-tower-turned-restaurant played a rebellious role in the history of Dutch television.

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

One of the most easily accessible examples of the rare 1960s UFO houses.

The footprint of a frustrated devil in Munich's Cathedral.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

On Japan's Tashirojima Island, cats are king.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

A small island with shimmering pink sands, home to loggerhead turtles and rare plants.

These paved rills bring freshwater into Altstadt and could spell wedding bells for whoever stumbles into the waters.

A Black Forest cuckoo clock theme park features one timepiece big enough to walk inside.

An elevator into the Baltic Sea.

The first (but not only) upside-down house in Germany.

Hitler's bleak vision of relaxation still stands as a mostly abandoned 10,000-room resort complex.

A long spiraling walkway winds through the woods, and around a copper beech tree at the center.

This bridge's unique architecture honors nautical heritage and encourages self-awareness.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Featuring a meatless buffet fit for kings, this family-owned Zurich eatery is considered the oldest vegetarian restaurant in the West.

The Polish capital has had a deep connection to its guardian mermaid for almost a millennium now.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.