Pompeii's less famous neighbor is still revealing her secrets.

Museum preserving torture methods from the past.

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.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

The atmospheric road was never meant to be so creepy.

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

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

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

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

An unusual round church in London with a Templar past.

Theme park featuring miniature replicas of European monuments.

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

A little sculpture with a large wardrobe.

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

Descend into the tunnels to experience the life of a coal miner.

What was once a bustling mining installation is now a bustling hub of contemporary art.

A giant bug impaled on a 75-foot-tall needle.

A marble Lucifer hides behind the pulpit of this Gothic cathedral.

This Belgian palace was long the domain of priests and aristocrats but is now being turned into an art commune.