The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

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

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

The house that birthed The Old Man and The Sea is now a museum devoted to the old man who wrote it.

A focal point of the Cuban government, this city square features one of the most iconic images in the country.

Although it appears ancient and mysterious, the quirky folly was actually built 200 years ago by an eccentric estate owner.

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

The largest stone moai on Rapa Nui.

This large round boulder is said to emit spiritual power, but it may just be magnets.

The ominously named cave is home to some remarkable ancient art.

The world's most remote airport.

A volcanic crater that visitors can look inside.

In the Middle Ages, villagers would sound this stone trumpet to boost fertility and coax fish to shore.

This was once the center of the Birdman cult, and is now a World Heritage Site.

A memorial for public executions that dates back to the 14th century.

An architectural oddity hides in plain sight on this iconic London bridge.

A community of artists and entrepreneurs seeks a simpler life on London's waterways.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

Eighty million natural history specimens call this gargantuan museum home.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.