Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

Wax models of disease and deformity are on display at this German medical museum.

The history and future of cannabis.

This castle ruin in the middle of nowhere is a gem for wildlife enthusiasts.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

A little slice of Japan and its aesthetics in London's Holland Park.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

Early habitat dioramas and home of the elusive gaff, the skvader.

Sweden's first nuclear reactor, R1, can be visited 25 meters underground.

A 200-year-old collection of medical paraphernalia in a historic house.