World's largest cave was only discovered in 1991, and now offers tours to the public.

About as hidden as can be, this specialty coffee shop is wedged between multi-story buildings at the end of a dark, skinny alleyway in Seoul.

South Korea's only sex-themed park.

Even though bison are not native to this Danish island, you might find them walking around the Almindingen Forestas as part of a nature experiment.

A small Rwandan workshop where you'll find traditional works of art—made from cow dung.

Burial site of the world's most widely known researcher on the endangered mountain gorilla.

This breathtaking island on Rwanda’s Lake Kivu is a haven for thousands of fruit bats.

A hiking/biking/exploring trail that winds across over 140 miles of Rwandan shoreline.

Beijing's version of Disneyland, completely abandoned, mostly destroyed.

This Chinese museum proves that it's a watermelon world, we're all just living in it.

This probably wasn't what Mao had in mind.

A studio devoted to keeping hundreds of unique Chinese arts alive.

The embalmed remains of the communist leader lie within a custom crystal coffin.

This smaller cousin of the Forbidden City has gone from ancestral sacrifice to tourist's whispers.

Beijing's expansive subterranean hiding spot now crumbles away as a tourist destination.

A temple complex has existed on this site since the third century.

China's most famous acrobatics act.

An collection of Chinese propaganda posters from 1949 to 1979.

A prestigious learning institute of old Shanghai.

The birthplace of modern China.

A small gallery and shop dedicated to an ancient style of hand-printed textile.

A son-and-daughter meat market, hawked by mom and dad.

An off-the-beaten-path boutique stuffed with an eclectic collection of upcycled goods.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.