Poland's oldest surviving university building holds a wealth of historic science instruments including some used by Copernicus.

Real bones which are said to have belonged to a Polish dragon.

A black cat protests the City Guild in Riga's Old Town.

Flamboyant architecture from the turn of 20th century.

Mysterious craters may have been home to an ancient cult.

This insurance company building reminds customers that witches, bears, and gnomes are out there, best be insured.

A subterranean house of worship carved right out of the bedrock.

This homeless brass fox tugs at your heartstrings from the foot of a Stockholm bridge.

A floating underwater hotel, created by a Swedish artist.

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

Open-air museum with a large collection of Soviet-era statues.

A curious art park at the geographic center of Europe is home to 3,000 television sets and other wonders.

Sculpture garden of religious statues made it through Soviet rule.

An old hill fort covered in over 100,000 crosses is a symbol of Lithuanian nationalism and beliefs.

While this monument tile is shrouded in mystery it also marks the end of the longest ever human chain.

The largest coin pyramid in the world is a carefully balanced stack of over 1,000,000 pieces.

This micro-nation may be some sort of prank, but its constitution sure seems official.

A little sculpture with a large wardrobe.

Brussels' favorite peeing boy has a sister.

This ghost town in Belgium will lose its street art when it ceases to exist.

Hungarian mummies in beautiful painted coffins.

Tucked away near more famous landmarks lies a statue meant to symbolize the confluence and continuing development of human culture.

A random tree outside a Budapest hotel has become a DIY shrine to the late singer.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.