This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

A seven-century-old jail tells a not-so-pleasant history of crime and punishment.

Macabre astrological automaton clock dating to the late 1400s.

Ruins of a German Castle on top of a towering stone pillar.

Two monstrous faces loom over a village in Czechia.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

A centuries old castle atop a dormant volcano houses museums devoted to both women and witches.

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

Artworks by loners, prisoners and the criminally insane.

Florentine Renaissance style building in Switzerland, home to the world's largest taxidermy Great White Shark.

A mythically themed self-built sculpture park.

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

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.

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

A historic observatory precariously perched at the "Top of Europe."

The alpine falls where Sherlock Holmes apparently met his demise can actually be visited.

Caves famous for the dragon-slaying saint who lived there.

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

The fairy tale castle of the "fairy-tale king."

A curious collection dedicated to human and animal anatomy and pathology.

Once the local rulers had gone these enchanting ruins housed common folk in an almost real life fairy tale.

A pyramid in Central Europe of unknown origin.