This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

This bridge was constructed from the rubble of the infamous Bastille.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

According to myth, Zeus himself was hidden in this cave to escape being eaten by his dad.

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

A saintly relic hidden in a Prague church basement.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Macabre astrological automaton clock dating to the late 1400s.

Christ's blood preserved in a Belgian town.

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

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

Originally envisioned by King Ludwig II to rival Versailles, Herrenchiemsee's "New Palace" remains half-gilded for lack of funds.

The prototype for all Nazi concentration camps.

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

American soldiers discovered Europe's best one-liner at the end of World War II.

Legendary site where an evil bishop was devoured by rodents.

The middle finger of modernity.

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

Venice's island of the dead.

Go inside to really appreciate this 500-year-old technological masterpiece.

A former utopian healing center created by a huckster and built by derelicts.