Artworks by loners, prisoners and the criminally insane.

Medieval irrigation channels built into the sides of mountains provided Valais with water for hundreds of years.

Over 3km of caverns and caves at the Switzerland-France border contain the largest underground river in Central Europe.

150-year-old satirical tableaus made from stuffed frogs.

Enormous, fluffy dogs frolic around this museum dedicated to a legendary Saint Bernard.

For centuries no one knew there were hundreds of bones and precious artwork hidden beneath this Swiss church.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

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 is not only one of the oldest collections in Europe, but also possibly the most beautiful.

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

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

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.

Check out engineering marvels of the past at this unintentionally retrofuturist museum.

A muddy alien landscape that is home to rare species of exotic plants.

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

The romantic botanic tunnel feels like a well-kept secret.

This solitary monastery may hold the remains of Vlad the Impaler (but probably not).

A countryside Romanian cemetery filled with colorful crosses bearing lyrical, ironic, or satirical rhymes.

Iconic Los Angeles residence famous for its 19 statues of Michelangelo's David.

The largest collection of two headed animals in the world.

Dozens of lights dangle from the branches of what may be the brightest tree in Los Angeles.

World War II-era Nazi compound nestled in the Santa Monica hills.