This sprawling concrete suburb of Kraków was designed by the Soviet Union as the model proletarian city.

This Polish cave has housed a dragon, a brothel, and an enduring legend.

This fairytale medieval church in Poland originally spent centuries in Norway.

On this Polish road, an optical illusion makes cars seem to roll uphill.

A striking public sculpture representing the period of martial law in Communist Poland.

A collection of old neon signs from all over Poland line a secluded courtyard.

The silly symbol for an underground protest group is now scattered around the city.

Memorial to the lost dead of Gdansk, whose resting places were destroyed during World War II.

A floundering Polish shipyard was once the soul of the Solidarity movement that capsized communism.

This Communist-era residential block is one of the longest residential building in Europe.

This fairytale inspired, warped building houses restaurants, shops, and a radio station.

A mysterious emblem tucked in an small alleyway is actually the coat of arms of a heroic medieval family.

Gdańsk's lion mascot features in a trail of bronze sculptures scattered all across the city.

This antique thermometer honors the creator of the first universal temperature scale.

The burning of this 12th-century church kicked off a campaign of Norwegian Black Metal terror.

A stunning architectural yet functional feat, towering over Oslo.

Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

A museum dedicated to Norwegian music, old and new alike.

Once a granite mine, this beautiful lake is the perfect place to cliff jump and zipline in Denmark

The castle used by the Danish Royal Family as a hunting retreat.

Northern Europe’s largest castle ruins sit precariously on an island cliffside.

The world's first and only escalator for lazy bicycles and their daunted riders.

World's strongest whirlpool.

This solitary convex mirror sculpture at an abandoned ferry station at the edge of a fjord reflects the scenery back at the viewer.