A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

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

Take a leisurely walk through the park to find the seven giant troll sculptures hidden throughout the park.

Rediscovered in 1992, this abandoned medieval village once flourished by fishing and piracy.

According to this bar, God gave an “11th commandment” to Antwerp: Thou shalt drink beer.

Abandoned since 1998, this train station has become an oasis for urban explorers.

This annual Belgian water race attracts bathtub captains from all over the world.

Nature is slowly overtaking this disused cemetery on the outskirts of Brussels.

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

What was once a bustling mining installation is now a bustling hub of contemporary art.

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

This whimsical statue dumps water on its head to symbolize knowledge flowing into his brain. Or maybe booze.

This bike path traverses the treetops.

This giant urban staircase was built to keep the city's brave fighting men from getting waylaid in the red light district.

This sprawling Belgian fort was once thought of as impenetrable but now it is simply an abandoned relic.

This bike path was sunk below water level for maximum wonder.

This recently restored crypt was once plagued by liquefying coffins and exploding caskets.

A fantastical bed and breakfast with magically unique rooms.

A Museum of Psychiatry in a still-operating mental institution.

One of the deepest indoor swimming pools in the world.

Artwork tucked within the trees greets visitors with surreal sonic experiences.

A 14th-century fortified keep showcases the masterpieces of an ingenious 20th-century clockmaker.

Medical history with an amazing, if frighting, collection of wax diseases on display.

Sculpture designed by Turkish artist and professor Mehmet Ali Uysal.