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

Hanging over one of Japan's "hidden valleys," these vine bridges must be remade every three years.

This Buddhist temple is home to the graves of the Japanese national legends, the 47 Ronin.

Bioluminescent firefly squid light up this Japanese fishing port.

A beautiful, dense forest in the shadow of Mount Fuji, with a tragic reputation.

Hot springs monkey spa in the middle of Hell's Valley.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

This 24-hour vending machine serves up homemade treats inspired by the local Japanese snow monkeys.

Founded in 1880, this humble brewery still practices a disappearing technique of sake-making.

This 400-year-old sweet shop serves a delicacy some have described as "edible incense."

This brothel-turned-restaurant features plenty of surprises and elaborate, extravagant architecture.

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

This 700-year-old street food market features baby octopus and soy donuts.

This spa theme park lets its guests take a dip in pools of coffee, wine, or ramen broth.

This enormous monument is one of the most iconic structures in Tokyo, rudely nicknamed "The Golden Turd."

Stuck in a bygone era, the oldest subterranean shopping street in Japan hides beneath the popular Asakusa district of Tokyo.

Home to a collection of drums from around the world that allow visitors to play a tune.

This museum showcases the art of ancient sword-making.

After a profound show of devotion for his master, a dog becomes the symbol of loyalty for an entire nation.

This subterranean spot might be the epitome of Japan's baroque, retro coffee houses.

Take a few seconds to look at this abandoned, art-filled station as you pass by on the subway to Ueno.

It's bad manners to eat and drink on the subways of Tokyo, unless the train is this bar. 

Japanese company creates clone dolls that reside in the "uncanny valley."

This Japanese Manneken Pis gets new outfits for every occasion.