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

This platform is now a memorial dedicated to those who were deported during the Holocaust.

Beer lovers thirsty for knowledge can now visit a museum devoted to the world's largest hop-growing region.

The "feral child" who appeared in Bavaria in the 19th century remains as much a mystery as his unsolved murder.

A surprisingly detailed model of one of the most powerful telescopes in the world.

This stone amphitheater was once part of Nazi Germany's plan to promote propaganda.

The atomic museum in the basement of this German castle displays long strands of replica uranium cubes.

The only remaining U-boat that is still floating never actually saw any action in World War II.

Tourists often confuse this beautifully ornate former cigarette factory for a mosque.

This German "living museum" is maybe a bit too immersive.

These beautiful objects represent beautiful ideas.

Nestled on the banks of a river in Nuremberg is a small museum that was once home of the city's official executioner.

This peculiar museum offers hands-on interaction with seemingly intangible principles of mathematics.

The mass grave of the 27 victims of the "Vampire of Hanover."

A top-secret bunker now turned museum, is an eerie look at what life would have looked like in the event of nuclear war.

A delightful but little-known public observatory and planetarium in Munich.

Take a walk in a recreation of ancient Rome.

The NASA scientists behind Apollo 11 started out developing Nazi weapons at this abandoned German rocket factory.

The sweet story of how American cargo planes became known as "Candy Bombers" during the Berlin Blockade.

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

The prison where Hitler wrote "Mein Kampf," and 278 Nazis were later executed for war crimes.

A former Nazi lookout tower with a magnificent view of the Rhineland.

Built to test magnetically levitated elevators, the tower also boasts Germany's highest visitor platform.

This former Nazi castle was built as a school to train what would have been the future of the Third Reich.