The idyllic island where the philosopher Jean-Jacques Rousseau spent “the happiest time of his life.”

A rare, flower-shaped example of Brutalist architecture in Switzerland.

Where Mary Shelley’s 'Frankenstein' and John William Polidori's 'The Vampyre' were born.

Artworks by loners, prisoners and the criminally insane.

See the rare bloom of the "Queen of the Night" cactus at one of the world's largest succulent collections.

Vines grow up the metal bars in this public park created from an old machine factory.

One hundred years ago this small house in downtown Zürich became the birthplace of the Dada movement.

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

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

The bizarre visions of H.R. Giger, tucked away in a Swiss medieval city.

This lovely little bridge hidden in a Switzerland gorge is essentially a fairytale.

Each year melting snow turns these Austrian hiking trails into scuba zones.

Ride a dragon train into a world of dwarves.

A unique opportunity to stay the night in retrofitted sections of sewer pipe.

Devilish masks, handicrafts, and pieces of old buildings create a snapshot of life in a historic Alpine region.

Swarovski's museum/theme park is a fake diamond fantasia overlooked by a giant.

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

The townhouse where the "Blood Countess" Elizabeth Báthory started her murderous career.

Legends surround an ancient tree trunk riddled with nails for good luck.

This cubist Vienna church building looks like some sort of alien stonehenge.

The former private quarters and office of Dr. Sigmund Freud now hosts a museum housing the works of the founding father of psychoanalysis.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

Macabre museum devoted to historical Viennese murders.