Ancient snack bar of the Roman Empire re-opened.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

The walls and streets of the ancient city are peppered with penises.

For centuries, this large Roman villa remained hidden thanks to the eruption that buried nearby Pompeii and Herculaneum.

A dismembered holy head stares out from her beautiful reliquary at the St. Dominic Basilica.

Fortified medieval tower house with lovely roof garden.

This bustling Italian plaza is built on the ruins of an ancient Roman amphitheater.

The naturally mummified body of a peasant girl saint.

Northern Ireland's Brobdingnagian stepping stones.

The atmospheric road was never meant to be so creepy.

This red light district plaza memorializes the Fab Four and their historic connection to the area.

Two towns are linked by an engineering marvel masquerading as a boring suspension bridge.

Once a training ground for Olympic athletes, this artificial ski slope has fallen into ruin after a fire in 2012.

Located behind the Riverside Pub is a nautical fantasy from one of the area's renowned street artists.

Dating back almost 400 years, the oldest public collection library in the United Kingdom was once the study hall of Karl Marx.

Once the largest unsupported dome in the world, beating out the Pantheon and St Peters in Rome.

What do we know about the real woman behind one of the Beatles' most famous songs?

The Liverpool street made famous by the Beatles is real.

The English bed-and-breakfast believed to have inspired Emily Brontë's novel "Wuthering Heights."

This massive monument has been telling the time for 150 years—at a slight angle.

A palatial former bank building now houses what may be the poshest art venue (and former Tesco) in Belfast.

If you look closely at the oldest bridge in Paris, you might notice hundreds of ugly faces leering from its sides.

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.