This magical-looking island is notorious for the misfortunes suffered by its owners.

Hidden in plain sight, Sweden's official ordnance datum is now abandoned.

Climb atop one of the world's longest and heaviest trains for an unbelievable journey across the Sahara Desert.

This mysterious, medieval cathedral remains unbuilt but fiercely protected.

These sacred Mesoamerican ruins feature peculiar petroglyphs hidden in the stones.

Hackney's newest private museum and natural curiosity shop.

This garden houses the remains of the ancient Greek port of Marseille.

The mysterious megaliths have enchanted and intrigued visitors for thousands of years.

The ruins of a medieval village that was abandoned after a 19th-century inferno.

A Kyiv-based repository for all manners of discarded curiosities.

The tiny statues form China's only known terracotta army from the Han dynasty.

This overgrown mountain village has been abandoned for nearly a century.

This sprawling 18th-century cemetery features unique and beautiful gravestones, including one shaped like a tree.

This once architecturally advanced housing complex is now a haven for squatters that still bears the scars of war.

An eclectic collection of thousands of items owned by the sculptor Frederic Marès.

Everyone's invited to put on a miniature concert with this world-class musical wonder.

This enormous secondhand bookstore inside a Victorian train station sparked the "Keep Calm and Carry On" craze.

This beautiful train graveyard is one of the largest collections of steam locomotives in the Mediterranean and Europe.

Ancient ruins hidden underneath a modern luxury hotel.

The dramatic remains of an abandoned farmhouse sit high on the edge of a remote hillside.

Monty Python fans will recognize this abandoned mine as the Cave of the Killer Rabbit of Caerbannog.

A Canadian port town is oddly home to two of the largest tree burls in the world.

An eerie, little-known Neapolitan museum filled with preserved human remains.

This mysterious cliffside carving of an ancient Hittite deity has baffled scholars for centuries.