A gruesome and mysterious ancient sculpture of a pagan deity from the Roman occupation of Celtic Britain.

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

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

How did a French journalist’s grave become the sexiest statue in the cemetery?

France's most famous cemetery, with some of its most curious tombs.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

19th century pendulum and a clock restored by a rogue group of guerilla artists.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

This immaculate and historic water garden culminates in a massive stone dining table with an inset fountain for chilling the wine of the Cardinal's guests.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

Pilgrimage site for star-crossed lovers.

A military museum, art park, mausoleum, and architectural oddity all on one fascist's estate.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

A church of bones, decorated with 40,000 human skeletons.

Medicinal spa created with the discharge from a geothermal energy plant.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

This subterranean necropolis holds three floors of antler-dug grave caves.

Two geological phenomena in one precarious locale: a towering stone window, and a deep blue void.

The world's most active stratovolcano is almost always erupting.

A collection of grotesques lines the walls of this Italian villa.