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.

One of the world's most complex timepieces.

Half-hidden by grassy slopes, this striking Spanish colonial fort is now a museum of underwater archaeology.

A hidden treasure of an abandoned city lies deep in the jungles of Campeche, Mexico.

At least seven hues of blue and turquoise make this freshwater lagoon unique.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

The titular "little arch" near this Italian resort is one of the most popular diving spots in the country.

A colossal sculptural lion built by the same man who designed the Statue of Liberty.

The remains of this castle, known as the Witch’s Eye, watch over the Thur Valley.