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

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

The Swiss artist's bulbous and overgrown shape-shifting sculpture controversially graces the center of Bern.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

Natural history museum displaying a famous taxidermied St. Bernard.

Video games, body language, and postal history are all on display in this Swiss museum.

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

The second-highest train station in Europe.

A cablecar-station-turned-revolving restaurant with 360-degree views of the Swiss skyline.

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

A salty red wasteland in Tanzania is a breeding spot for endangered flamingos.

The farmhouse owned by the Danish author who wrote "Out of Africa" is now a museum honoring her legacy.

Get tall with nature's lankiest beasts and their warthog friends at this Kenyan preserve.

Kenyan restaurant is a carnivore's paradise, serving exotic meats at its ultimate 'Beast of a Feast.'

This urban park is home to monkeys and a number of endangered plants.

The Kenyan town where the best distance runners in the world are trained.

This mysterious tower is said to enshrine a dormant seven-headed serpent that once protected Vientiane from destruction.

This Khmer temple is named after a young woman who sacrificed herself to protect the city from a disastrous deluge.

These bamboo and rope bridges cross the Nam Khan River for six months every year.

This mysteriously shaped boulder may have been used for human sacrifice in ancient times.

Believed to have once stored either human remains or rice wine, thousands of mysterious stone jars lie in ruin.

An ancient jungle temple carved into a rocky overhang of the Dane Soung Plateau.

A boat ride through utter darkness, lit only by headlamps, reveals an emerald green pool locals believe is sacred.

When the USA donated cement and funds to expand the airport in Laos, the Laotians built a massive monument instead.