Once used to protect important Roman trade routes.

A hunk of prehistoric lava rests amid the Gothic architecture of a campus quad.

19th century museum with an eclectic mix of curiosities, from Egyptian artifacts to items on archery history to the skull of the world's oldest horse.

A spooky juxtaposition of caves and graves gives this legend-filled cemetery a particularly haunting vibe.

These 90-year-old murals of local kings, Vikings, and outlaws hide in plain sight in a beautifully baroque shopping arcade.

This unchanged Victorian park is rumored to have been the inspiration behind Peter Pan's Neverland.

The Birthplace of the Englishman who founded the A.C. Milan football club.

A labyrinthine underworld of tunnels and caverns hides beneath the city.

The oldest inn in England served brew to the crusaders.

A 15th-century former coaching inn forms the implausibly grand entrance to a 1980s shopping mall.

When it came to designing his own small office building, the eccentric architect wasn't afraid to show the world what he could do.

This abandoned Brutalist tower looming over the M6 Motorway once featured a restaurant.

This unusual piece of Renaissance art depicting the bodily horror of crucifixion and skin disease may have been inspired by fungus-induced hallucinations.

The Lone Star plaque hangs in a bombed-out bunker in Normandy to honor a Texan colonel's heroic actions on D-Day.

This castle-fortress is a living example of the transition from medieval defenses to modern fortifications.

Immortalized by artists, this church incorporates a medieval lighthouse into its shoreside structure.

Some 80,000 Delft Blue tiles line the inside of this Amsterdam walkway.

This towering church is home to a world-famous organ and a treasure trove of medieval art.

In a city of wooden houses, this watchtower was vital for early fire detection.

Norway's oldest cathedral still in use.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

A beautiful modern church dedicated to the teleporting patron saint of Andorra.

The tomb of one of the greatest travelers in history.

A quick journey through the history of Annapolis.