Learn about the sweet, storied legacy of beekeeping in ancient Greece.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

An often overlooked ancient site in downtown Athens with substantial history (and nature).

Started as a kitchen garden, now the second largest botanical garden in the world.

This 14th century castle withstood years of battle but is now sliding off the hills into the Danube.

One of the largest caves in the world open to the public.

The largest ice cave in the world is thought to be the entrance to hell according to Austrian legend.

A breathtaking bridge that crosses a vast gorge over a river's torrents, and has a tale of a devil architect attached.

This amazing pedestrian suspension bridge in the Swiss Alps would give Indiana Jones nightmares.

Each spring, a dreamlike carpet of bluebells overtakes the forest floor.

The vast chamber inside this abandoned cooling tower looks like something out of a sci-fi dystopia.

From Tintin to the Smurfs, Europe's greatest graphic icons are celebrated in a grand Art Noveau gallery.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

Lavish royal estate punctuated with heated greenhouses.

A bizarre form of natural mummification was discovered in the church of this Frisian village.

Home to the world's oldest functioning orrery.

This giant radio telescope would be a rusting ruin if it hadn't become such a beloved relic.

Dutch woodpile home in the forest.

Most complete collection of Gymnosperms in the world.

The place where houses are born.

Inspired by "The Starry Night" this Dutch bike path turns into a glowing work of art each night.

This ghost town in Belgium will lose its street art when it ceases to exist.

Invisible bridge parts the waters, invoking biblical images and preserving the ominous feel of an ancient moat.

Hidden within a Netherlands crater is a stone bed that lets those who lie in it see the sky as a curved surface.