One of the largest museums in Ukraine remembers the story of the German-Soviet War in iconic, brutalist style.

340-foot statue built to honour the Heroes of the Soviet Union.

Marvel at the excessive luxury of the ousted Ukrainian president's former estate.

An abstract and eyecatching clock/fountain is the centerpiece of this little-known German city.

This building holds the embalmed remains of the leader of the Bolshevik Revolution.

One of the world’s best microminiaturist, Nicolaï Siadristy displays his lifetime of tiny creations in this museum.

The deepest metro station in the world.

A reconstructed medieval gateway that was the magnificent entrance to the capital city dating back to 1037.

An Art Nouveau building covered in animal gargoyles and grotesques.

A collection of miniature, symbolic sculptures hides in plain sight across Kyiv.

This exquisite, alienesque piece of Soviet architecture is being threatened by modern shopping malls.

This underground transport hub doubles as an art gallery.

Two stone columns flank the grand Venice square, but there were supposed to be three.

A miniature train-ride through Slovenia's largest cave system.

This massive subterranean fissure is known as the "underground Grand Canyon."

Slovenia's first mosque is a striking mix of Islamic and modernist architecture.

This abandoned Slovenian military barracks has become a punky-political art squat.

A whimsical bridge adorned with decorative dragons.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

The first, and perhaps only, monument dedicated to Wikipedia.

This unique medieval artwork featuring the story of the Antichrist remained lost for decades.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

Go inside to really appreciate this 500-year-old technological masterpiece.

This one-time health resort was used by aristocrats around the world.