Dedicated to the American general whose reply to a German demand for surrender was simply "Nuts!"

This magenta statue commemorates the legendary marriage between a mermaid and the city's founder.

Some believe that the artist behind this whimsical statue inserted his own likeness as a way to discreetly flip the bird.

Single runway interrupted by a busy road that cuts across its middle.

Rock-cut chamber at top of an outcroup, reached by a mountain stairway of forty steps.

Breathtaking and huge 430 year old maps of Italy.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

Once a favorite playground for the world's most illustrious guests, Hotel Nacional's secret weapons and bunkers reveal a more menacing side to its golden history.

A colorful narrow alley in Cuba is full of street art and sculptures made of found objects.

A focal point of the Cuban government, this city square features one of the most iconic images in the country.

It is said that each of the white stones in the red facade of this medieval house represents the head of a murdered Swedish noble.

This small museum nestled inside a souvenir shop is dedicated to Sweden's most well-known toy.

At this Arctic outpost, get to know members of the indigenous Sámi community and meet their herds.

This functioning parish church is also the site of many concert performances due to its wonderful acoustics.

The world's most charming instant portrait studio also happens to be its smallest.

An unusual building on a "desolate hill" features the works of an Icelandic sculptor.

Stockholm's narrowest alley is barely over two feet wide.

This grisly exhibit houses skeletons and weapons from a devastating 14th-century clash.

Stockholm's deepest subway station is also a stunning ecological wonder.

It houses the remains of a 17th-century version of the Titanic.

An illuminated manuscript comprising the life's work of a lone monk, inexplicably decorated with a portrait of Satan himself.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

A subterranean house of worship carved right out of the bedrock.