This fairytale inspired, warped building houses restaurants, shops, and a radio station.

This antique thermometer honors the creator of the first universal temperature scale.

Memorial to the lost dead of Gdansk, whose resting places were destroyed during World War II.

A huge wooden clock that is so beautiful its creator was forcibly blinded.

One of the most poignant ruins of the Chernobyl nuclear disaster, the local football team's stadium has been quickly reclaimed by nature.

This attraction was abandoned after the Chernobyl disaster.

This derelict superstructure was a very important warning system for the Soviet military.

This former KGB building is now a museum memorializing the people who suffered during the Soviet regime.

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

Legend has it that Napoleon Bonaparte fell in love with this Gothic church.

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

Baroque celebration of the end of the Great Plague of Vienna.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

The topiary maze at the Habsburg hunting lodge.

An artificial date palm stands as a memorial to Warsaw's Jewish community.

Pilgrimage site for star-crossed lovers.

It is said that each of the white stones in the red facade of this medieval house represents the head of a murdered Swedish noble.

Sweden's "good old days" painstakingly re-created in a model village.

It houses the remains of a 17th-century version of the Titanic.

This ordinary set of steps is a must-see destination for fans of a certain romantic anime.

Rows of stone statues are dressed up to mourn children that are lost before birth.

Once a black market electronics marketplace, now an otaku shopper's paradise.

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

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