The "dragon babies" of southeastern Europe.

The walls of this medieval church are covered with perfectly preserved frescos, including a pristine example of the Dance of Death.

A condensed piece of China floating in a Dutch harbor.

The marker that allows students all over the world to be late for class.

Iron Age grave stones and Viking burials, a short drive from Gothenburg.

Did he come up with a theory of cosmic-ray showers while sitting in this bath?

This bridge's unique architecture honors nautical heritage and encourages self-awareness.

A late-medieval Dutch castle with trick fountains in its whimsical water gardens.

Famed for its pie, this eatery has a hidden tunnel that allowed Catholics to secretly walk to church during the Reformation.

The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.

Over 9,000 brains collected between 1945 and 1982 demonstrate the results of untreated mental illness.