This small Spanish village still pays homage to the Spaghetti Western films that were shot there in the 1960s.

A series of recreated fortifications mark George Orwell's path through the Spanish Civil War.

Remains of the lost church hide beneath this Spanish Parliament building.

The ruins of an ancient stadium that hosted gripping chariot and horse races.

One of the most spectacular bridges in Spain spans a narrow chasm that divides the city of Ronda.

A Spanish town built into the cliffs.

A medieval church built into an ancient cave.

Small French town or alien garage?

This enormous "cloth of the conquest" depicts the Norman invasion of England in mind-blowing detail.

A castle-like sea fort from the 17th century is now a museum to oyster farming.

The once forbidden "secret cabinet" of erotic art from excavations of Pompeii and Herculaneum.

This sword isn't waiting for a king to pull it out. It was placed there by a saint.

The doodles of a genius line the walls of a secret room under the Medici Chapel, where they were hidden for nearly 500 years.

As can be expected from a centuries old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

Dress up like a miner and take a slide into the disco-lit depths of this once foundational salt mine.

Medieval torture techniques with a modern conscience.

Medieval town turned hippie commune, once home to the secret foreskin of Jesus Christ.

Geothermal waterfalls in Tuscany.

In the fictional world of Kcymaerxthaere, standing at this site just outside Vienna, Austria, the sky would have been found beneath your feet.