Mysterious hillside with a continuously burning natural fire.

A century-old stone hermitage overlooks this remote pass in the Hoggar mountains, surrounded by a landscape of eroded volcanic cores.

A collection of weird and wonderful art fills a former houseplant nursery.

This collection of lurid religious statues tell the tales of a saint who stood down the devil.

The former home of a trailblazing surrealist is still filled with haunting dolls and grim paintings.

A Belgian self-built tower inspired by the Bible and ancient civilizations.

The vast chamber inside this abandoned cooling tower looks like something out of a sci-fi dystopia.

From Tintin to the Smurfs, Europe's greatest graphic icons are celebrated in a grand Art Noveau gallery.

This former Masonic lodge has been transformed into part museum, part bar, all awesome.

Part modern art project, part traditional chapel, this see-through church is only substantial from the right angle.

This ghost town in Belgium will lose its street art when it ceases to exist.

The Devil’s own choice when he needs a drink in Brussels.

Museum in a swimming pool where the water still flows.

An astounding collection of taxidermy, fossils, skeletons, and even a few strange live beasts.

This is what trains will look like after the zombie apocalypse.

Europe's largest natural bridge has a 19th century royal chateau built into its side.

The ruins of an abandoned crematorium haunt an eerie deserted German cemetery.

Retirement home for giant obsolete machines.

This natural history museum houses one of the world's largest rat kings, a terrifying jumble of tangled rodents.

A wonderfully versatile natural history curio cabinet preserved since the 1840s.

These ruins reveal the remarkably intact layout of a Roman marketplace.

Living trees form the structure of an open-air palace.

The industrial monstrosity known as Bagger 258 is a colossal mining machine built in the DDR - but now left for dead in a German field.