Bullet holes in the church wall are a reminder of the violence that followed the assassination of a high-ranking Nazi officer.

Macabre astrological automaton clock dating to the late 1400s.

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

The remains of this castle, known as the Witch’s Eye, watch over the Thur Valley.

This unusual piece of Renaissance art depicting the bodily horror of crucifixion and skin disease may have been inspired by fungus-induced hallucinations.

The castle was reconstructed to fit Kaiser Wilhelm II's romanticized vision of the Middle Ages.

A monument to the "father of modern warfare" Gustav II Adolf.

A stonemason's hilarious revenge came in the form of this peculiarly positioned gargoyle.

These paved rills bring freshwater into Altstadt and could spell wedding bells for whoever stumbles into the waters.

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

From Nazi chemicals to the CIA, this architectural marvel has played a fascinating role in German history.

Metro station with a claim to rock n' roll fame.

A meteorite-bounded town in Bavaria.

The ruined remains of the airport Claus von Stauffenberg departed in his failed attempt to kill Adolf Hitler.

This riverside restaurant has been serving customers since 1146.

The entrance to this Frankfurt subway station looks like an old tram car crashed into the concrete sidewalk.

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

The oldest Jewish cemetery in Europe survived Hitler's Germany.

Cold war icon and onetime "hole" in the iron curtain.

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

In this truly magical place, rent hasn't been raised since the year 1520.

One of downtown Berlin's last reminders of its Communist past.

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.

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