This ordinary street was made infamous by a legendary visit from the devil.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

This bridge's unique architecture honors nautical heritage and encourages self-awareness.

Its town washed away centuries ago, this lonely tower by the sea tells the tale of a mermaid and a curse.

A seven-century-old jail tells a not-so-pleasant history of crime and punishment.

A UFO-shaped event building originally intended to be a science museum showcasing the future.

A historic observatory now an astronomy museum beautifully situated at the moat of the Middle Age city centre.

The world's first interactive human body museum also serves as a chair for a giant orange man.

Rich with fauna and flora, nature-lovers can walk across the sea at this UNESCO World Heritage spot.

The giant scales in this museum can still tell if someone is one of the devil's brides just by weight.

The ruins of this Dutch castle sit atop a labyrinth of once-secret tunnels and passageways, dating back over 900 years.

This centuries-old gothic monster has been converted into a sprawling, glossy bookstore.

Hidden within a Netherlands crater is a stone bed that lets those who lie in it see the sky as a curved surface.

Inspired by "The Starry Night" this Dutch bike path turns into a glowing work of art each night.

Amsterdam's former hotspot for public executions and dissections.

This museum housed in a former brothel explores the past and present of sex work in Amsterdam.

A Portuguese Jewish cemetery filled with stunning grave monuments that date back to 1614.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

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

Museum preserving torture methods from the past.

A floating cat sanctuary on an Amsterdam canal.

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

This Danish art forest places loud works of contemporary art among the pensive silence of nature.

Considered one of the most haunted places in Europe, this 800-year-old castle was home to noble prisoners.