A giant floating rubber duck-bunny painted with a different design every year.

Berlin's oldest surviving academic architecture hosted decades of animal dissections.

Beneath the impressive baroque cathedral that rises from the center of Berlin lies the largest collection of Prussian royals in the world.

What started as a tongue-in-cheek shrine is now a full-blown museum celebrating "The Hoff" and his longtime love affair with Berlin.

A collection of modern and vintage pinball machines housed in the cellar of a 15th-century building.

A relic of the Cold War tucked away in the forested hills above Bratislava.

Launched by Napoleon's soldiers more than 200 years ago, a cannonball remains embedded in the tower wall.

The Hungarian biochemist whose research helped develop mRNA-based vaccines for Covid-19.