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

Access to this hidden site of a 14th-century mass suicide is prohibited, unless it is to pray for the dead.

A shrine dedicated to a 10th-century samurai emperor, whose head is not buried on site (contrary to popular belief).

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

This museum is dedicated to the cultural history of tobacco and salt, once monopolized in Japan.

The last remaining predreadnought battleship in the world has been a museum for nearly a century.

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

An ingenious solution to a tricky engineering problem, this spiraling bridge takes drivers for a dizzying spin.

What's believed to be the country's first shrine is, in Shintō mythology, the annual meeting place of the gods.

When this massive wooden temple ran out of rope, they made one out of devotees' hair.

A 70-foot-deep ice cave formed by lava from Mt. Fuji on the edge of Japan's "Suicide Forest."