The largest lake in the Faroe Islands seems to be held hundreds of feet above sea level thanks to an optical illusion.

A prehistoric route that has claimed many victims is now closed to traffic.

A fabulously bizarre surrealist sculpture by the late artist Leonora Carrington.

A 15th-century monumental Latin inscription on this house celebrates Lorenzo Manilio's love for Rome.

Roughly 17 million letters to Santa have found their way to this Arctic Circle post office.

The only remaining arch of the oldest stone bridge in Rome stands in the middle of the Tiber.

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

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.

An ancient Roman temple first dedicated to an emperor's wife is now a church.

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

This ancient Roman arch misled treasure hunters for centuries.

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