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

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

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

A massive marble foot is tucked away in a small alley near the Pantheon.

The spot where the fascist dictator made some of his most famous speeches including declaring war on Britain and France.

This statue is the only female representation of Rome's "talking statues."

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

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

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

An 18th-century post box used to alert the church of sick and ailing foreign pilgrims.

An 18th century fountain and two columns are all that remains of Rome's forgotten river harbor.

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

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

This landmark Victorian folly rewards visitors with spectacular views over the Peak District.

A statue dedicated to the story behind the founded of the city.

A rather grand, but tiny, folly on the banks of the River Wear associated with a Polish count.

These lamps were created to expel sewer gases after an event known as The Great Stink.

Hundreds of years ago, this lion-shaped door knocker could help a person accused of a crime find temporary safe haven in Durham Cathedral.

An unlikely link between a quiet English town and Sydney’s skyline.

Though this bridge was originally built in the 12th century, only one of its 10 arches dates back that far.

A plinth outside a church displays sculptures by local artists.

A seaside morgue for the victims of the North Sea.

The recreated ruins of a house designed to memorialize a World War I shelling on the town.

A monument to the real explorer and bear who inspired characters in Philip Pullman's 'His Dark Materials.'