A museum dedicated to linguistics, from how babies learn to talk to endangered and extinct languages.

The post-apocalyptic remnants of a bucolic town ruined by a plane crash.

Hundreds of secret cabinets built into the walls of legendary poisoner's private work room.

This professional clown's home is an outsider art wonderland.

One of the greatest maze designer’s greatest mazes.

Pitié-Salpêtrière was the dumping grounds for women who received the dreaded diagnosis of "hysterical."

This whimsical castle of grottoes was the labor of love of a French postman, and one of the greatest achievements of outsider architecture.

This museum houses an imposing skeleton army comprised of creatures great and small.

A haunting collection of the vanished and disappearing natural world.

The remains of a prehistoric settlement with a museum showcasing fascinating archaeological finds next to modern artworks.

One of the only two archaeological sites in Japan to feature petroglyphs, which some believe to be a long-lost writing system of the gods.

A network of ancient tunnels and vaulted chambers with mystical Buddhist reliefs, built for ascetic training.

The largest archaeological site from the Yayoi period.

Exploring crime and punishment in feudal and pre-modern Japan.

This little known mountain has claimed four times as many lives as Everest.

Constructed thousands of years ago, these stone circles offer incredible insight into the lives of the people who built them.

A Japanese shrine to dolls.

A hub of information on tropical diseases and their treatments.

These wondrously illuminated caverns extend under the mountains of the Fukushima Prefecture.

Existing for more than four centuries, the last of Hakone’s historic teahouses serves a sweet, mold-based rice drink.

A steaming, boiling hellscape sources Hokkaido's thermal baths.

Abandoned Japanese ghost town gives a glimpse into what our own metropolises may leave behind.

Legend holds eating just one of these black eggs can add seven years to one's life.

Meet the world's longest tapeworm in a collection that really gets under your skin.