One of Savannah's oldest and most haunted cemeteries, featuring graves desecrated by Sherman's Union Army.

This stunning concert hall has become a symbol of Iceland's national recovery.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

The prototype for all Nazi concentration camps.

A fearsome dragon clings to a corner of Munich's city hall.

The patron saint of spinsters grasps a container of dried blood.

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

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

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

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

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

These former Nazi anti-aircraft towers offer a singular view of the north of Berlin in the summer, and a sanctuary for bats in winter.

Beneath the impressive baroque cathedral that rises from the center of Berlin lies the largest collection of Prussian royals in the world.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

A fascinating insight into daily life in the Eastern Bloc.

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

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

A church of bones, decorated with 40,000 human skeletons.

The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.

Street artists transformed an abandoned air vent into the beloved Star Wars robot.

The hidden lair of an alchemist rediscovered in a 2002 flood.

Macabre astrological automaton clock dating to the late 1400s.