A house of bones — but nobody is quite sure to whom they belong.

An avant-garde artist is survived by his seaside garden.

England's most notorious suicide spot.

Henry VIII's forgotten castle was built by the gunpowder-obsessed king to be defended solely by cannons.

Every May, townspeople welcome summer with a bizarre pagan parade led by a man wrapped in garlands.

This remarkably intact, 260-year-old cargo ship is only visible at the lowest of spring tides.

The only visible reminders of an elaborate engineering project that kept the tower from reaching the tipping point.

There once was a man named Lear / Who found limericks so dear / His final resting space / Is an unusual place / Most people don’t know he’s here.

Museum celebrating the ocean, with the largest wunderkammer dedicated to sea exploration.

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

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

Site of a classic 19th-century physics experiment to prove the earth is rotating.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

A once drab public housing estate is transformed into a colorful gallery of trompe l’oeil murals.

A huge Megalithic chamber tomb located behind a cafe.

The vibrant buildings in the “capital of the comic strip” celebrate the art form that made it famous.

A Christian retreat founded to welcome refugees fleeing from the Nazis during World War II.

One of the most powerful religious centers in the Middle Ages, dubbed the founder of Western monasticism.

Ancient paintings known as the "Sistine Chapel of Cave Art."

This church sits upon a peaceful hill and a long, turbulent history.

Hundreds of secret cabinets built into the walls of legendary poisoner's private work room.

A beautiful and classically designed villa, with an hourly infestation of monsters.

The not-quite-incorruptible St. Bernadette is perhaps the most beautiful of preserved saints—with a little help from Paris.