This historic stone bridge has an entire neighborhood clinging to its sides.

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

A striking 12th-century-style castle built on the edge of a cliff.

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

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

Bombed and burned, this monument represents the often controversial ties between Vietnam and Cambodia.

The headquarters of Pakistan's first press club remains a haven for debate and discussion.

An old Danish political institution where members of government can grab a drink off the record.

A little-known cafe in an old copper bridge tower with 360-degree views of the harbor.

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

This former cathedral is now a bustling library packed with students and pigeons.

On the highest peak in the Harz Mountains, science and the occult faced off in a failed attempt to turn a goat into a boy.

Constantly maintained, this organ is playing a six-century long composition by John Cage.

The medieval institution is home to the precious treasure stolen in World War II in one of the greatest art thefts of the 20th century.

Joe Cocker's 1988 concert at this site in East Germany marked a changing sea tide that would eventually lead to reunification.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

When the rain falls, this drain system turns into a musical instrument.

In addition to fine dairy products, the world's most beautiful milk shop also offers a feast for the eyes.

This bell stars in a tragic love tale and is said to make wishes come true.

The Polish capital has had a deep connection to its guardian mermaid for almost a millennium now.

A menacing statue of this mythical creature can be seen at the legendary site of the monster's lair.

The second-largest Jewish temple in Bulgaria was deserted after World War II, seized by the communist government and then abandoned again.

Built as an anti-fascist tribute, this surreal Yugoslav memorial became an unwelcome symbol after the Croatian war for independence.

A formerly glacier-tipped volcano that inspired none other than Jules Verne.