The surviving remnants of a destroyed medieval church now stand in a public park.

This hidden gem is bathed in beautiful natural light.

This underwater graveyard commemorates a group of murdered 16th-century missionaries.

This beautiful park on the outskirts of Rome protects the ruins of two colossal ancient aqueducts.

The ruins of a 15th-century church once home to priests who prayed for a single family's salvation.

These morbid carvings remind churchgoers of the inevitability of death.

A semi-abandoned village destroyed by U.S. bombings during World War II dominates the valley of Turano.

The leathery remains of a woman who died in the 13th century now lie in a church named for her.

This Oaxacan town is known for its colorful fantastical creatures hand-carved by local artisans.

Tens of thousands of ancient rock carvings hidden in the heart of a French national park.

The floor of this spectacular Baroque sanctuary is covered in memento mori.

The beloved home to all publications indie, erotic, and punky.

This hidden green space is the city's second largest conservatory.

Following the trail of an old metro line, this scenic path is haunted by a creepy spriggan statue.

A hands-off space for graffiti artists to hone and display their skills.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

The atmospheric road was never meant to be so creepy.

Famously misunderstood wonder of the ancient world

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

The sign at the garden gate reads: "These Plants Can Kill."

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."