A temple to modernity, tucked away amid Barcelona's more well known museums.

Berlin's old airport.

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

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

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

A surreal museum of extraordinary industrial objects.

An eerie, derelict amusement park in Berlin.

One of the most poignant ruins of the Chernobyl nuclear disaster, the local football team's stadium has been quickly reclaimed by nature.

The dining hall that nourishes workers in Chernobyl's Exclusion Zone is also open to visitors.

When you've got to go, you've got to go.

340-foot statue built to honour the Heroes of the Soviet Union.

A reconstructed medieval gateway that was the magnificent entrance to the capital city dating back to 1037.

This unassuming museum's slogan translates to “there is a limit of sadness, anxiety has no limits."

A typographic tribute to the many comedic greats who make Great Britain laugh.

An extraordinary library and archive dedicated to the history of the Arctic and Antarctic poles.

The Cambridge pub where Francis Crick announced that he and James Watson had discovered the DNA double-helix.

Numberless clock creates a meal of time for the dreaded, insectile Chronophage.

A former steam-powered mill from the 1800s is now an industrial park with a giant steel dragon slide.

An unusual stroll through gentlemen's erotica demonstrates that pornography is timeless.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Saint Joseph was said to heal the deaf and blind, but it was a much smaller miracle that got him canonized.

Barça football fans might see the insignia hidden in a church window as a divine sign.

The oldest giants in Catalonia are now displayed in a 14th-century Gothic church.

Gaze upon chocolate sculptures depicting everything from chariot races to Gaudí's famous church at this shrine to sweets.