This scenic spot is known as the birthplace of Switzerland.

This unassuming passageway played a key role in one of the most important events in U.S. history.

These hut foundations are believed to be the residence of Romulus, founder of Rome.

Breathtaking and huge 430 year old maps of Italy.

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

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

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

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.

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

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

A labyrinth of ancient tunnels hidden below the city holds the ruins of 2,500 years of history.

The remains of this medieval Roman road and lookout towers dot the rugged coastline of southern Lazio.

The Roman Emperor's lost summer home and grotto full of enormous sculptures sit along the Italian seashore.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

Lucerne's central prison was converted into a tourist hotel with a bare minimum of changes.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

This strange statue features a bust of the famous composer plopped atop a woman's body.

These 12th-century catacombs carved into a mountainside were a place of mysticism and Christian hermitages.

Golden cobblestones remember a time when this small alley was used to avoid having to give a Nazi salute.

This tribute to the 16th-century composer is now an unusual shrine to Michael Jackson.

The patron saint of spinsters grasps a container of dried blood.

A fearsome dragon clings to a corner of Munich's city hall.