The encased skull that is widely believed to belong to St. John the Baptist.

A sublime medieval path adorns the marble floor of one of the most beautiful Gothic cathedrals in France.

Single runway interrupted by a busy road that cuts across its middle.

The defensive tower was built centuries ago to warn locals of Berber pirate attacks.

This Western Australian mint was established during the height of the Australian gold rush.

Instead of solid circles, the stoplights in this northern Icelandic town have glowing red hearts.

Both the World War II Allied Forces and NATO have used this modern bunker underneath Malta’s capital.

A centuries-old forgotten underworld lies beneath Malta.

This church is named for one of the most dramatic tales in the early Christian church.

Valletta’s outdoor theatre stands within the ruins of a 19th-century opera house.

After 400 years of being closed to the public, this monastery's underground tunnels and secret garden are now a museum.

The fishing boats that moor in this small lagoon enter and leave through a tunnel to the sea.

The first Icelander to hold the position of governor.

An encyclopedic collection of mammal penises.

These ancient sunken lanes were naturally tunneled into the soft ground by countless footsteps.