This fast-food outlet is the only space and UFO-themed McDonalds in the world.

This house certainly has a unique decor.

In the past, Renaissance sex workers were encouraged to entice customers on this bridge.

According to tradition this is the oldest church in Venice, but its actual age is a mystery.

Wandering this ancient burial place offers a glimpse of the afterlife in the fresco-adorned tombs of an ancient Etruscan civilization.

Tiny horses tethered to antique rings are scattered around the city.

This cathedral dedicated to Louis IX, sainted King of France, holds many secrets.

This unassuming alcove in London’s famous Tower Bridge once served to capture, store, and display dead bodies from the River Thames.

Among the busts of heroes of the Roman Republic of 1849, there is also a statue of a boy and his dog.

Nine caves filled with recently-discovered archaeological finds under the houses and the streets of the most ancient district of an old town.

A tower that pays homage to local sailors who perished under the waves.

Also known as the Square Colosseum, this building is a prime example of fascist-era rationalist architecture.

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

A monumental fountain in Rome features a large statue of Moses that has been criticized for centuries.

An ancient Egyptian obelisk is now used to commemorate fallen Italian soldiers.

This basilica is dedicated to two saints, one of which is known more for his famous quote.

This hydrochronometer was invented by a Dominican monk and is a prime feature in this garden.

This medieval church in Rome was almost destroyed following a terrorist attack in 1993.

This large, circular tomb is the final resting place of the first emperor of Rome.

A large replica of a monumental Roman inscription is located on the side of this museum.

Renaissance hospital featuring a rotating door into which unwanted babies were dropped.

The Vatican's secret porn-festooned bathroom was painted in erotic murals by one of the greatest artists of the Renaissance.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

An unremarkable wooden wheel built into the side of one of Rome's oldest hospitals was part of a policy to reduce infant exposure.