Amsterdam's Red Light District leaves little to the imagination.

A poignant museum dedicated to the history of the Dutch resistance against Nazi occupation

This subterranean studio is filled with fascinating kinetic art.

Sail in for a ’dam good slice.

A beautifully eclectic mix of architectural styles.

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

Famed for its pie, this eatery has a hidden tunnel that allowed Catholics to secretly walk to church during the Reformation.

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

England's only square-dimension hill horse was built to celebrate Queen Victoria's coronation.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

This abandoned asylum in Wales might look haunted, but it's still beautiful.

Following the trail of an old metro line, this scenic path is haunted by a creepy spriggan statue.

Mary Kelly was last seen here before she was murdered by Jack the Ripper.

A subterranean playground in an abandoned slate mine.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

London's smallest police station is barely the size of a phone booth.

This wildly-tiled artist's palace is a living and growing account of the creator's life, loves, and labors.

Hidden in a grotto 26 feet below Nottingham's oldest hotel, this stylish subterranean drinking den is notoriously hard to find.