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

A wonderfully versatile natural history curio cabinet preserved since the 1840s.

The metal-free wooden towers of Brück.

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.

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

This ornate Weser Renaissance house was also the home of an infamous witch hunter.

It commemorates one of the world's earliest telegraphs.

The world's first and only museum dedicated to dachshunds.

Centuries of warfare, tragedy, executions, and poetry come together in this 13th-century fortress.

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

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

A distinctive former power plant turned university lecture hall looks like it could make you breakfast.

A carved grave marker from the 2nd century is mounted in the alcove wall of this Bavarian church.

The original burial place of this preeminent 18th-century Jewish philosopher was razed by the Nazis.

A collection of decorative eggs to admire in the off-season.

The highest cold-water geyser in the world.

Held in an old church, this clockwork museum maintains a special focus on titanic tower timepieces.

A 1:2 billion-scale solar system leads visitors into this German university town.

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

Beloved children's TV characters freckle the German city's streets.

This statue has a painful history, but activists have since recontextualized it as a way to educate visitors about the dangers posed by fascist regimes.

A horse statue that receives constant makeovers from graffiti artists and locals.

Home to the world’s oldest seismograph and a four-ton steel ball that makes its own earthquakes.