The steepest classic funicular in the world glides along a dizzying incline.

This Nazi-built amphitheater was constructed on a sacred mountain site used by various German cults.

Enter the cabin of a life-sized Hindenburg replica.

A steam powered train that runs on city streets.

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

The world's oldest known salt mine.

There has been an astronomical clock on this spot since the 14th century.

Remnants of a cone-shaped Nazi bomb shelter.

Home of the largest single-phase AC generator in the world.

This Rococo church is known as the most beautiful village church in the world, and does not disappoint.

Giant wind turbine with observation deck at the very top.

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

A rare water-powered funicular, it uses a huge tank of water and gravity to do its work.

1898 German railroad depot museum with working engines, steam train excursions, and hands-on displays.

An elevator into the Baltic Sea.

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

The site where one of the most famous poems of World War I was composed is preserved to honor the legacy of the work.