In the 19th century, this pit housed a fully grown black bear for the entertainment of visitors. Today there is a sculpture in tribute to the poor creature.

It's known as the "Full Monty school" thanks to its role in the beloved British comedy film.

This 50-foot-deep sinkhole created in the 14th century is home to rare plants and fungi.

The medieval home is still engraved with the symbol of the profession, an eye flanked by two axes.

The ruins of a megalithic monument sit right in the garden of a luxurious Maltese resort.

Overshadowed by other, more famous Maltese catacombs, this ancient burial chamber has one of the best examples of a ritual agape table.

These lesser-known Maltese catacombs date back over 1,700 years.

A hidden tunnel of bones in one of Malta's oldest churches.

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

An abandoned beach resort in Normandy reclaimed by artists.

Collection of antique taxidermy and natural specimens, near one of Paris's oldest flea markets.

The floorboard scrawling of a tragic madman is on public display outside a Paris hospital, much to the dismay of its opponents.

An antique curios dealer and hybrid taxidermist.

Inside a former cabaret, seven floors of erotic art.

A journey through the history of medicine throughout the centuries.

A gruesome combat between a hunter and a furious momma bear.

This mysterious sculpture was thought to symbolize a world ravaged by misery.

An art-filled botanical garden and former dyeworks hiding in plain sight.

Explore an eerie, abandoned medieval citadel.

Each of these hand-painted wooden boxes, which date to between the 16th and 19th centuries, contains a genuine human skull.

Supposed home of the camel ridden by Napoleon during his Egyptian campaign.

A charming little museum founded by the designer of the Statue of Liberty.

The world's largest boar is a huge steel titan found at a French rest stop.

The haunting cadaver tomb of a famous French poet, playwright, and filmmaker.