Sitting beneath an unremarkable residential building is a museum devoted to classic Pinball.

This Austrian museum celebrates the work of famous forgers and their inimitable imitations.

This automated sculpture of two men peeing will spell out text messages with their micturition.

This incredible stone temple is a monument to death, victory, and fantasy architecture.

A comic book store that puts the marvel back in marvellous.

This one-time health resort was used by aristocrats around the world.

Dine amidst exotic plants at this former royal greenhouse.

The labyrinthine storm tunnels beneath the city of Melbourne are ruled by a band of urban explorers.

The word 'wunderkammer' translates as 'wonder-chamber'. This Wunderkammer is both a museum and a retail store.

Occult books, tarot, oddities.

Bridge that died in war and was resurected.

To the great disappointment of doomsdayers, this codex merely contains records of the Moon and Venus.

This spaceship sculpture in the middle of the Slovakian capital looks like it just crash-landed.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

This collection of 80 polarizing foods aims to challenge your subjective notions of repulsion.

A beautifully eclectic mix of architectural styles.

This 22-floor tower's Skydeck offers panoramic views of Amsterdam.

The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.

A curious collection dedicated to human and animal anatomy and pathology.

The world's only museum devoted to the wonders of fluorescence.

A wonderfully strange collection of 500+ stuffed frogs doing people things.

The complex has been abandoned since the Croatian War of Independence, barring a stint as a set for 'Game of Thrones.'

Housed in an old church, this hunting museum holds a collection of mythical bird-rabbit creatures.

A stairway to heaven, or to nowhere at all.