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

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

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

World's largest barrel containing an inn.

An officers prison camp believed to be impregnable by the Germans saw over 30 successful escapes.

The first (but not only) upside-down house in Germany.

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.

Fantastic views and thousands of love locks.

Remnants of a cone-shaped Nazi bomb shelter.

This old wooden funicular railway leads to a cemetery in the forest.

Giant wind turbine with observation deck at the very top.

A memorial for a young woman and her ghost, which are claimed to have caused countless deathly shipwrecks.

Take a walk in a recreation of ancient Rome.

Tiny castle in the middle of the Rhine made you pay to pass.

An exquisite panometer representing Dresden as it was from 1695 to 1760.

Four-story slides send people whizzing through the math department at this Munich university.

Known simply as "The Hand," this famous public sculpture in Berlin was featured in a Depeche Mode music video.

This East German military command bunker was ready for World War III.

A kindergarten shaped like a cat with a tail that's a slide.

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

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

It's good luck to be mocked by this monkey.

The largest brick bridge in the world.

Each year, Germany's "City of Dragons" slays the world's largest walking robot.