This gateway to subterranean Hanover plays jazz, pop and rock to surprised passersby.

A thought-provoking outdoor art installation sits in the seat of German law.

A decomissioned facility where the German "Transrapid" maglev trains were once tested.

An ornate sculpture of an ox in repose marks the former entrance to Nuremberg's medieval meat market, which was destroyed during World War II.

A six-story, asymmetrical tower filled to the brim with scientific experiments.

Legend says this sculpture commemorates a brave baker who rescued the city in the Thirty Years' War.

Renowned mathematician and physicist Carl Friedrich Gauss once worked at this observatory.

A unique collection of electric insulators on display in a former transformer station.

A collection of antique telescopes dot the halls of the university's astrophysics department.

This strange sculpture is an enigmatic icon of this medieval German town.

A former customs station on the border of Germany and the Netherlands.

A miniature model of what will be the world's largest telescope.

This small university museum houses a priceless collection of scientific instruments.

If you visit the burial place of King Frederick the Great, you'll likely find a couple of potatoes sitting on his tombstone.

Hidden in plain sight on a gable between two towers on the roof of shipping firm F. Laeisz' headquarter in Hamburg sits an unexpected bronze sculpture.

The metal-free wooden towers of Brück.

One of two electrical towers in Germany that have a pathway constructed through the tower's legs.

Final resting place of the humble physicist who discovered X-rays, and made the invisible visible.

A statue beloved by—and named by—the local townsfolk it represents.

A staggering collection of satellite models and actual flight parts.

This viaduct serves as a reminder of World War II.

The man who gave his name to magnetic measurement is buried in the city where he did his best work.

It commemorates one of the world's earliest telegraphs.

This inconspicuous pharmacy went down in history as the first gas station in the world after fueling the first road trip ever taken.