Remains of a huge radio tower.

The world's first jet-powered aircraft were assembled by the Germans in this secret factory in the forest during WWII.

This museum explores the history of the city's public transportation. Its collection includes the world's oldest preserved electric trolley car.

Most powerful transmitter in Germany only broadcasts in the French language.

A statue dedicated to the antihero of the Nibelung legend.

This viaduct serves as a reminder of World War II.

A section of destroyed vertical lift bridge stands alone in the Peene river.

Art installations, derelict railcars, and endangered grasshoppers all call this south Berlin park home.

World's only telecommunication tower with a wooden pinnacle.

This remarkable parking garage in Darmstadt has lived several lives and still contains remnants of its World War I past.

A unique, free-floating electric ferry may be the only of its kind in Europe.

Deep in the forest next to Augsburg are abandoned bunkers and bullet traps from the region's military past.

This Cold War–era fallout shelter was actually a storage facility for the nation's emergency currency.

What appears to be an ordinary bridge is actually a rare aqueduct.

This decommissioned nuclear power plant offers tours of its Communist-era control room and reactor hall.

One of the last remaining railway viaducts equipped with a transporter ferry.

This highrise residential building looks mundane, but hides a water tower and WWII bunker.

The highest cold-water geyser in the world.

This concrete church spent a period of its history as a World War II bunker.

WWII rocket launchpad in rural Germany and site of operation backfire.

One of the largest busts in the world celebrates the German city's erstwhile namesake.

Oberweissbacher Bergbahn - a broad-gauged cable car capable transfering railcars.

Germany's last remaining Lenin statue has become a lightning rod of debate about the country's divided past.

The world's first and only three-segment bascule bridge folds up into the shape of a capital "N" to let boat traffic through.