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

Maybe the only restaurant in the world where your seat will be signed by a Nobel laureate.

There are hidden patterns on the subway seats of some Stockholm metro cars.

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

Steadily reminding Czechia of its past.

Looming communist pillar with a Czech twist.

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

This doorless 20th-century elevator doesn't stop or slow down.

The risqué mixed-media sculptures are supposedly a metaphor for Czech politics.

Two stunning 17th-century libraries and a cabinet of curiosities.

The medieval "Bearded Man" relief still serves as a clever flood warning marker.

A plaque marks the spot where the saint was shoved off the Charles Bridge and into the river.

A plaque marks the house in Stockholm where the French philosopher René Descartes lived up until his death.

The remains of Alfred Nobel's first nitroglycerine factory can still be found on the shores of a Swedish bay.

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.

Sweden's first nuclear reactor, R1, can be visited 25 meters underground.

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

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

This Czech church doubles as something of a permanent fashion exhibition for a statue of the Infant Jesus.

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

The last municipal pneumatic post system in the world was in operation for over 100 years, and may run again.

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

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

Street artists transformed an abandoned air vent into the beloved Star Wars robot.