The world's narrowest strait is often mistaken for a canal.

A natural wonder with mythological ties to the local Ainu tradition.

Sample specialties from Xinjiang at this Shinjuku neighborhood gem.

A small shrine dedicated to a god of lightning and electronics.

Located in a remote mountain valley in Yamagata Prefecture, these hot springs have attracted bathers for over 450 years.

This Metabolist, retro-futuristic residential complex resembles a cyberpunk space colony established on Earth.

Stretching for 22 miles, the world's longest tree-lined avenue dates back to the early 17th-century.

One in a pair of subterranean caves created by an ancient eruption of Mount Fuji.

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

This traditional Japanese-style house doubles as one of James Turrell's colorful works of art.

An astounding annual light display honors the victims of one of Japan's most devastating earthquakes.

This futuristic public park includes large sculptures and an artificial geyser.

Designed by a computer, this intricate network of fluorescent green pipes has taken over a subway station.

The world's longest tunnel with an undersea section.

You can still find treasures on the pebbly beaches of one of the world's oldest jade-producing areas.

Blowtorches, tuna, and a jolly, chain-smoking proprietor mark this beloved street-food stand.

A train ride to the middle of nowhere gives its passengers some of the most iconic views of Japan's seasons.

One of the world's largest tanks mimics the experience of watching rare whale sharks, giant rays, and deep sea creatures from the ocean floor.

Historical Japanese-Dutch relations are honored with haunted rides and flower fields in this replica town.

The world's largest drain sits below the city of Kasukabe, Japan.

Enormous underground chamber built to detect 'ghost particles' of the universe.

A rare festival blending religion, blacksmiths, vagina dentata, sex workers, and the straight-up facts of life.

This Kyoto Starbucks takes coffee drinkers back in time.

This retro underwater observation tower would make the perfect lair for a sea-loving villain.