The charmingly disheveled clock tower of Tbilisi's puppet theater.

A museum glorifying the life of Stalin, located in the city of his birth.

This neon lit Georgian cave claims to hold the boulder Prometheus was chained to.

Fortified homes of highland warriors that are still in use today.

This whimsical statue dumps water on its head to symbolize knowledge flowing into his brain. Or maybe booze.

A giant bug impaled on a 75-foot-tall needle.

The Belgian library displays burned books that were salvaged from the fires of both world wars.

A series of playful yellow penguins share a serious message about the environment.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

A mocking tribute to the past and modern leadership of Prague.

Straight out of a nightmare, barcode-faced babies climb up and down Prague's television tower.

Looming communist pillar with a Czech twist.

Tucked away in the Leiden city hall are a group of works by famed artist MC Escher.

This 11th-century castle sits so low you can't see it behind the surrounding buildings.

A former plague hospital turned medical museum.

A memorial commemorating the man whose name became synonymous with taking a picture in the Netherlands.

An ancient Egyptian temple sits within a modern European museum.

A 'living museum' in Leiden, the oldest of its kind in the Netherlands.

Albert Einstein would often sit in this chair during visits to the observatory to discuss science with Willem de Sitter.

Devious political maneuvering and four ancient, working telescopes are central to the world's second-oldest observatory.

What looks like an ordinary house from the outside is actually a rotating sculpture.

Reminiscent of a termite mound, this imposing structure is likely an ancient funerary monument.

Oldest Museum of the Netherlands is a true cabinet of curiosities.

A Dutch clog company in the town of Zaandam loves the wooden shoes so much it made a museum for them.