The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

The world's largest model of our planetary system.

A man has revenged his true love's betrayal through tears and stone genitalia.

The largest medieval water tank on the Iberian Peninsula is preserved beneath the Cáceres Museum.

This forgotten Frank Lloyd Wright house is an architectural marvel at the end of a sleepy residential street.

Small museum packed with artifacts recovered by the man rumored to be the real-life inspiration for Indiana Jones.

A small but immensely extravagant palace built by the "Night King."

This tangled English forest looks like something right out of a fairytale.

A stairway to heaven, or to nowhere at all.

Among the ostentatious rococo ornamentation of this church, an image of death cuts the life-thread.

This magnificent museum claims to house the cranium of a disciple and the skull of a pope.

Golden cobblestones remember a time when this small alley was used to avoid having to give a Nazi salute.

The footprint of a frustrated devil in Munich's Cathedral.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

A traditional U-Bahn station in Berlin gets a string of rather untraditional benches.

A 12th-century fortress containing some of Berlin's oldest buildings.

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

Super-heavy Nazi architectural experiment.

A tree-like building perches on its trunk in the Steglitz neighborhood of Berlin.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

An abandoned NSA listening post on Berlin's "Devil's Mountain."

An eerie, derelict amusement park in Berlin.

A surreal museum of extraordinary industrial objects.