Mid-20th-century architecture is rarely remembered fondly anywhere in the world.
And that’s especially true in former communist countries of Europe and Central Asia, where it seems like architects following a passing fad were allowed to do whatever they wanted.
The result was some bizarre and amazing-looking structures, many of which are still standing 25 years after the fall of the Berlin Wall.
Here are some of the weirdest ones.
Mike Bird contributed to this slideshow:
The 'Monument to the Revolution' built in Croatia (then Yugoslavia) is an abstract sculpture dedicated to the people of Moslavina during World War II.
This building in Georgia originally housed the Ministry of Highways and almost looks like it has been Photoshopped. It's now occupied by a commercial bank.
The Forum Hotel in Krakow, Poland, is another example of how 1970s communist architects simply couldn't resist lifting ugly buildings off the ground.
The Makedonium is a memorial built in the 1970s to commemorate a revolt against Ottoman rule in the early 1900s, and it's pretty bizarre.
Bulgaria's Shumen monument, built in 1981, is a strange and enormous concrete sculpture dedicated to the country's history, with cubist figures hundreds of feet high dotted around.
This resort in Ukraine combines two late Soviet architectural trends: Constructing things off the ground, and buildings that look slightly like UFOs.
This radio building in Bratislava, Slovakia, took 16 years to build -- mostly because it's basically upside down.
In St. Petersburg, the Russian State Scientific Center for Robotics and Technical Cybernetics looks a bit like some sort of Satanist temple.
Another memorial was built in Bosnia by the same sculptor who designed Croatia's, with segments meant to symbolise light and darkness.
The Hotel Salut in Kiev was designed by Abraham Miletsky in 1984, and like the Ukrainian result featured earlier, has a very spacecraft-like effect.
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