A towering monument to war, located on a beautifully peaceful hill.

The skeletal frame of a decommissioned gas-pumping station offers breathtaking views of greater Berlin.

Metro station with a claim to rock n' roll fame.

Tiny memorials honor individual victims of the Holocaust.

A 12th-century fortress containing some of Berlin's oldest buildings.

A restaurant and observation deck built in a unique broadcasting antenna.

A brush maker used his factory to protect blind Jews from the Gestapo.

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

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

Two hundred tons of pioneer artifacts were painstakingly recovered from a shipwreck at the bottom of the Missouri River.

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

Berlin's old airport.

A quirky and charming restaurant founded by artists.

Part bookstore, part café, and part forest.

Frida Kahlo's childhood home, now a museum of her life and works.

Superstitious? Discover the witchy side of Mexico through its largest esoteric market.

The largest collection of two headed animals in the world.

A Masterpiece with a Tragic History.

Swedish skyscraper with a 90° twist.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

Copenhagen's celebrated theme park and gardens.

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

3,000 market stands in five former Zeppelin hangars.

Flamboyant architecture from the turn of 20th century.