Stockholm, Sweden
Järnblocket (Iron Boulder)
A prehistoric geological oddity tucked behind Stockholm's natural history museum.
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Stockholm, Sweden
A prehistoric geological oddity tucked behind Stockholm's natural history museum.
Stockholm, Sweden
This poured-concrete water reservoir is a gem of modernist architecture well-hidden in a city forest.
Stockholm, Sweden
This small statue hints at the incorrect origins of the lush landscape park surrounding it.
Pniewo, Poland
What was once an underground Nazi city is now Europe's largest bat reserve.
Berlin, Germany
This TV tower once secretly housed a GDR intelligence team.
Osinow Dolny, Poland
An installation at the border commemorates a battle from 972.
Guben, Germany
The home of the morbid art of corpse plastination is open for visitors to view the fascinating, but stomach-churning process.
Witnica, Poland
This public park collects signposts and other memorabilia related to local history, Polish-German relations and human progress
Sarbinowo, Poland
This abandoned but well-preserved Prussian fortress sits abandoned in a Polish forest near the German border.
Kostrzyn nad Odrą, Poland
The center of this Polish border town was so thoroughly wiped out in World War II that only the foundations remain.
Stocksund, Sweden
Crystal chandeliers brighten up this dark underpass.
Stockholm, Sweden
One of the world's first dedicated bank buildings in the world is now the oldest one.
Stockholm, Sweden
There are hidden patterns on the subway seats of some Stockholm metro cars.
Stockholm, Sweden
This building, previously used as a courthouse, has an unusual geological feature in its basement.
Halle (Saale), Germany
This is part of the Francke Foundation Museum, a curiosity cabinet filled with different scientific and natural wonders.
Leipzig, Germany
This incredible stone temple is a monument to death, victory, and fantasy architecture.
Leipzig, Germany
Ninety years after his execution, the man accused of starting the Reichstag fire was given a final resting place.
Stockholm, Sweden
One of the earliest subway stations in Stockholm, which still looks like the 1950s.
Stockholm, Sweden
It's a breathing museum, where you get to breathe along with stunning immersive textile light art.
Stockholm, Sweden
The signatures of esteemed colleagues of the physicists who stopped by to attend lectures.
Stockholm, Sweden
Not far from where one of the most famous Swedes of all time is buried, an infamous man was put to rest.
Stockholm, Sweden
Wooden cutouts of the fictional family from the popular Swedish comic strip take a stroll along the side of the road.
Kaunas, Lithuania
An open-air art gallery that aims to share the stories of the people who live around it.
Kaunas, Lithuania
The world's first invisible city square is an homage to a man who pushed the boundaries of art.