These spooky and unusual stone formations create an underworldly landscape.

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

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.

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

This enormous abandoned prison was once dubbed the "Bastille of Romania."

A celebration of all things tacky, garish, and bizarrely creative in the Romanian capital.

Gigantic Romanian salt mines used to heal respiratory conditions.

The Natural History Museum that time forgot.

This once-derelict building is now one of the most beautiful bookstores in the world.

No one knows who built this strange cave of worship or exactly why.

Once an opulent Art Nouveau hotspot, the Constanța Casino is one of Romania's most beautiful abandoned buildings.

Some call this eerie forest of crooked trees the "Bermuda Triangle of Romania."

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

The legendary cliffside castle of three-time Voivode of Wallachia, Vlad the Impaler.

A small town Romanian cemetery filled with darkly humorous gravestones.

This fairy-tale castle would make Dracula (who is said to have been imprisoned there) jealous.

This elaborately decorated, fairytale-like Romanian royal palace is one of the most striking castles in Europe.

This massive underground salt mine now holds a sci-fi theme park in its depths.

This floating cinema brings new meaning to the phrase "going out" to the movies.

Riding on a pair of architectural dragons, this Thailand temple holds murals full of lurid imagery.

At the right time of day, sunlight floods through the roof of this cave and illuminates the small pavilion hidden within.

Vintage furniture and art share space with all manner of collectibles at this quirky shop in Bangkok.

Stunning wetlands ablaze with pink lotus flowers.