When this former hospital pharmacy closed in 2013 it already looked like a museum, so they turned it into one.

A hidden three-foot-wide house separates these two regal churches.

These rock drawings in the Côa Valley also create an ancient optical illusion.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

Elaborate tile work in this railway station tells the story of Portugal.

This giant sculpture made of trash is a critique of society's wastefulness.

Building owners can take out tiles for free at this repository for historic building materials.

This 700-year-old Cyprus castle is the birthplace of the world's oldest wine, said to be toasted by Richard the Lionheart at his wedding.

A brush maker used his factory to protect blind Jews from the Gestapo.

A fascinating insight into daily life in the Eastern Bloc.

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

Residents of Berlin take their coffee and cake in one of the city’s most restful spaces: a cemetery.

A towering monument to war, located on a beautifully peaceful hill.

Super-heavy Nazi architectural experiment.

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

For patriotic Russians, this memorial honoring the Soviet soldiers who died liberating Berlin in 1945 is the most sacred location outside of Russia.

The final resting place of many of Germany's most famous communists.

A century-old shot ball factory tower is open to the public once a year.

What started as a tongue-in-cheek shrine is now a full-blown museum celebrating "The Hoff" and his longtime love affair with Berlin.

Reminders of the Battle of Berlin still scar the railway.

Someone loved this song enough to carve all of its lyrics onto a tree trunk in a Berlin park.

After a nearly successful attempt on Hitler's life, the conspirators met their fate in the courtyard of this Berlin building.

The skeletal frame of a decommissioned gas-pumping station offers breathtaking views of greater Berlin.

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