One of the two original gateways into the Kasbah, this gateway is a nesting site for storks.

Deliberately hidden for centuries, the magnificent Saadian Tombs were eventually uncovered in 1917.

On stormy days debris from this unfinished and abandoned skyscraper rains down on the Bangkok streets.

The bank's whimsical shape was inspired by a child’s toy.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

This obscene artwork on the side of a newspaper office pokes fun at a rival paper's former editor-in-chief.

This watchtower once presided over the Berlin Wall.

One of the world's heaviest musical instruments towers within a popular urban park.

Dedicated to the European Sinti and Roma peoples murdered during the Holocaust.

A memorial in the Tiergarten is a reminder of the suffering inflicted on homosexuals by the Nazi regime.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

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

This monumental work of art symbolizes the coming together of a previously divided city.

The world's first clock to use set theory as a measure of time required the invention of a new light bulb just to maintain its obtuse measurements.

An astonishingly accurate water clock that doubles as an hourly spectacle in this Berlin shopping area.

An imperial church bombed to ruins during WWII now stands as a jagged memorial.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

An intersection between architecture, industrial construction, machine, and scientific instrument.

After local authorities changed the design, the building's architect, Le Corbusier, wanted nothing to do with it.

The walls of Germany's Parliament still show the scars of the Red Army takeover in World War II.