A statue honors the children who fought Nazis in Poland.

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

Many of the tombs contain victims of yellow fever epidemics.

Red, white, and blue painted steps along with a Union Jack celebrate the outcome of Gibraltar's 1967 referendum.

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

At this faithfully preserved medina off the Moroccan tourist circuit you can walk through six centuries of history in one day.

Local authorities nearly destroyed this mural before a viral video rallied international support to save it.

This iconic cinema is home to Tangier's Cinémathèque and a symbol of the city's vibrant film scene.

Writers such as Paul Bowles, William Burroughs, and Samuel Beckett frequented this Tangier bookstore.

The tomb of one of the greatest travelers in history.

Ancient Phoenician and Roman tombs carved into the rock overlook the Moroccan coastline.

This giant sculpture recalls a famous passage from “Alice in Wonderland.”

A monument to one of the greatest matadors of all time.

This tree, over 500 years old, was planted by Columbus’s son.

Drink the 'Blood of Christ' in this Roman Catholic fever dream.

An eerie collection of the surviving structures from a past celebration of the future.

The Roman city was the birthplace of various emperors and is home to one of the empire's most impressive architectural feats.

Increasingly decayed figures stand as a powerful reminder of the human costs of Czech Communism.

One man's personal collection of KGB memorabilia is presented along with his strange viewpoint.

Dedicated to the works of the legendary special effects artist.

This automated sculpture of two men peeing will spell out text messages with their micturition.

An eerie, existential museum dedicated to the author of "The Metamorphosis."

A quasi-futuristic roof sits atop a medieval Bohemian monastery damaged during World War II.

A Jenga-style cylindrical tower of books that appears to go on forever.