This walkway is so narrow it needs its own light to stop pedestrian traffic jams.

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

This 13th century Gothic brick castle is the largest in the world by surface area.

The blood-soaked ruins of the castle where the murderous Blood Countess was walled in alive.

This massive underground salt mine now holds a sci-fi theme park in its depths.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

An awe-inspiring mosque in Morocco with one of the tallest minarets in the world.

The rusting hulk of a Soviet warship sits on a Polish beach.

A World War II torpedo launch station abandoned off the Polish coast.

Prague's "Little Hanoi" is one of the commercial centers of Czechia's Vietnamese community.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

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

Local folklore claims that this wall was not built for defense, but to provide labor during a time of famine.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

Looming communist pillar with a Czech twist.

Straight out of a nightmare, barcode-faced babies climb up and down Prague's television tower.

A colossal statue of a woman hugging a modern building.

Geometry and mystery come together in an epic show of octagonal masonry.

It took 40 years to build this Eden-like garden in Marrakech, later restored by Yves Saint-Laurent.

A recreation of the bar from the classic 1942 movie “Casablanca.”

Vast stretch of tide-pools with a unique Moroccan charm.

World's largest film studio, where visitors tour the decaying sets that litter the harsh desert environment.

An ancient irrigation system that turned arid deserts into oases.

Within the Dadès Gorge, amazing vistas and towering cliff faces can be seen at each new curve and bend in the road.