Staves, storm-calling, and of course, necropants.

This elegant arc of a waterfall marks a religious turning point.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

Ever hear of the Milazzo Cage?

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

Museum dedicated to literary greats of the Romantic Period is also the home in which Keats met his untimely end.

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

The final resting place of the great navigator, or maybe his brother.

The world's largest wooden structure.

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

An ancient Egyptian temple in the middle of Madrid, Spain.

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

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

Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.

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

Weird wax anatomical models reside here, as do other anatomical specimens.

One of the oldest medical collections in Europe focusing on rare surgical instruments.

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

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

Christ's blood preserved in a Belgian town.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

Go surfing on this urban wave, "hacked" by local surfers.

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