This ancient market is often referred to as the oldest shopping mall in the world.

Plaques on its facade commemorate the Tiber's most destructive deluges.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

This equestrian statue of Constantine the Great has been the subject of criticism for centuries.

This amazingly well-preserved villa just outside Pompeii boasts rare examples of ancient Roman paintings.

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

Ancient snack bar of the Roman Empire re-opened.

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

Erotic art covers the walls of the largest ancient pleasure palace.

Before it was buried by volcanic ash, this fast-food restaurant fed the hungry hordes of ancient Rome.

A cemetery in Barcelona's Poblenou district is home to this touching funerary statue, which depicts death in the form of a winged skeleton.

A temple to modernity, tucked away amid Barcelona's more well known museums.

On the wall of this medieval walkway, a symbol of the Spanish Inquisition.

The 2,000-year-old Roman columns are hidden within Barcelona's Gothic Quarter.

This cemetery features modernist statues as strange as its name.

This house's itty bitty size means no humans allowed.

Two 2,500-year-old Phoenician boats found on the coast of Spain, giving incredible insight into the ancient maritime traders.

Red, white, and blue painted steps along with a Union Jack celebrate the outcome of Gibraltar's 1967 referendum.

Dedicated to one of the author's most iconic works.

These Bullet-scarred bunkers are haunting reminders of the Spanish Civil War.

Many miles south of Loch Ness, a similarly-named sea monster stands at the center of a roundabout.

A small but stubborn relic of Spain’s turbulent past hides in plain sight.

One of Madrid's most beloved statues is of an anonymous citizen.

This postmodern apartment block was designed to be a vertical neighborhood.