Once designed as the entrance to Buckingham Palace, this structure was later relocated and stands as a victory arch.

This sculpture encompasses the emotion of rail travel.

The preserved left hand of a saint once known as "the Pearl of York."

The monastery survived the Communist revolution in Mongolia as a religious museum.

Down a pint of ale where the Bishop of Ely's servants slept in 1546.

A non-profit that uses the impressive smelling abilities of African Pouched Rats to find and clear unexploded land mines.

How did a lighthouse wind up in the middle of this landlocked German city?

Near the site where the English Archbishop was born, you can find an emblem in the shape of a pilgrim's badge.

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

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

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

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

Ancient snack bar of the Roman Empire re-opened.

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

In a city that boasts four separate inclined cable railways, this is one of the busiest funicular lines in the world.

A popular legend claims that the famous pizza was invented at a restaurant in this alley.

San Gennaro, the patron saint of Naples, greets pedestrians between these narrow city streets.

A special area of the National Archaeological Museum of Naples is located inside a metro station.

This shining multicolored metro station deep under Naples is said to be the most beautiful in Europe.

This fountain is dedicated to the workers who perished constructing the Fréjus Rail Tunnel.

A small alleyway with an unusual moniker.

A bench and a bridge pay tribute to Birmingham's favorite heavy metal band.

This work of art was designed to represent the Tarpeian Way Quarry that once dominated the area.

Site of a classic 19th-century physics experiment to prove the earth is rotating.