Despite producing just a handful of movies, a brave and lyrical filmmaker has an entire museum dedicated to him.

Underground monastery and fortress.

A geological oddity topped with a 2,000-year-old pagan temple.

Rock-hewn monastery complex with hundreds of cave structures tucked away into the mountainside.

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

Ancient rock-hewn town that witnessed key events of Georgian history.

Unusual building appears to be haphazardly built from randomly piled bricks.

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

Berlin's old airport.

A restaurant and observation deck built in a unique broadcasting antenna.

Ruins of a German castle on top of a towering stone pillar.

This historic stone bridge has an entire neighborhood clinging to its sides.

The "Prussian Versailles" that is as glorious today as when it was built.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

The largest treasure hoard in Europe is contained in a castle that was bombed out during World War II.

This incredible stone temple is a monument to death, victory, and fantasy architecture.

This small exhibition displays equipment and artifacts once belonging to the feared Stasi secret police.

Not to be confused with the iconic New York City skyscraper, this Chicago building is a vibrant hub for artists.

A Bibliophile's Dream.

Orthodox church partially financed by Tsar Nicolas II.

Once called the "Polish Gold Coast" it is an icon of the neighborhood that bears its same name.

This shop for all your super spy needs hides an educational secret.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.