The first museum in the world devoted to sexual gadgetry.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

Looming communist pillar with a Czech twist.

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

Harry Potter once visited this massive limestone cliff, which was carved by an ancient glacial river.

Astonishing rock formations dot the Brimham Moor landscape.

One of the oldest and certainly best preserved Cistercian abbeys still in existence.

Once thought to be the mysterious work of a witchy prophetess, a well with unusual properties turns objects into "stone".

A century-old tradition has culminated in a small but singular collection of feline effigies.

One of the shortest streets in York has an especially odd name.

The National Railway Museum in York is the largest railway museum in the world, attracting almost 1 million visitors per year.

This disused Cold War bunker has been restored to all of its early 60s glory.

Flamboyant architecture from the turn of 20th century.

3,000 market stands in five former Zeppelin hangars.

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

Berlin's old airport.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

A fascinating insight into daily life in the Eastern Bloc.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

Numerical symbolism abound at East Asia's oldest observatory.

Secret North Korean passage discovered below the world's most dangerous border.

South Korea's love of the silly photograph is on full display at this goofy collection of trompe l'oeil paintings.