You would never come across this tiny green oasis if you didn't know it existed.

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

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

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

Most prolific publishing house in the 1600s open to the public.

A once-magnificent collegiate church is falling into ruin.

The bronzed skull of a beheaded traitor was affixed to the city gate in the 17th century.

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

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

A marble Lucifer hides behind the pulpit of this Gothic cathedral.

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

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

This abandoned Belgian fortress is purposefully being left to nature.

Hiding the longest subterranean river known in the world.

A magical and peaceful ruined Cistercian abbey in what is now southern Belgium.

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

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

This gruesome biblical parade celebrates the one day a year that a bit of Jesus' blood turns to liquid.

Inside this former medieval prison is a collection of objects designed to inflict unbelievable pain and suffering on the human body and mind.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

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

Lavish royal estate punctuated with heated greenhouses.

Each spring, a dreamlike carpet of bluebells overtakes the forest floor.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.