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

These spooky and unusual stone formations create an underworldly landscape.

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

The tallest outdoor elevator in Europe rockets passengers on a dizzyingly precarious ride to the top of a mountain.

This 170-year-old Swiss guesthouse built into the side of a mountain is best accessed by a cable car.

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

Increasingly decayed figures stand as a powerful reminder of the human costs of Czech Communism.

A museum of alchemy and a basement laboratory all housed in an ancient building in a Gothic tower.

One man's personal collection of KGB memorabilia is presented along with his strange viewpoint.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

This Prague museum collects brutalist relics and memories from the country's former Soviet rule.

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

A Portuguese Jewish cemetery filled with stunning grave monuments that date back to 1614.

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

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

Cat art as far as the eye can see.

A floating cat sanctuary on an Amsterdam canal.

The little tuxedo cat survived the trip, then languished in obscurity.