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

Believed to hold the remains of Japan's most infamous fox spirit, this stone is said to kill those who dare approach.

See no evil, hear no evil, speak no evil.

Is this cat asleep or just pretending?

These sculptures were created by a 17th-century artist who had never seen an elephant.

This massive, beautifully-lit underground quarry leaves visitors in awe.

Once the main gateway to Tokyo, sneaking through this checkpoint was a capital offense in feudal times.

This incredible mountainside temple is home to intriguing statues of demon-like creatures.

Visitors to this park are welcomed by an ancient Japanese megalithic tomb that dates back to the sixth century.

Nestled in an unassuming residential area, this "forbidden forest" is rumored to spirit away those who dare to enter.

The demolished ruins of a poorly located Japanese Love Hotel.

One of the few surviving World War II-era air-raid shelters in Tokyo.

The site where the poet Matsuo Bashō read one of the first haiku that comprise his famous travelogue.

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

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

Only the face remains of this giant Buddha statue, which is said to be a source of luck for students.

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

A Buddhist temple on an artificial island that houses a monument to the fugu fish.

This strange mural located in the Ueno station is filled with traditional Japanese symbolism.

The remains of the vast manor that once belonged to Lord Kira, villain in the 47 Ronin story, is now a shrine dedicated to the incident.

Underground farm located in a former bank vault deep within the bowels of Tokyo's business district.

Sidle into a side alley for a taste of sumo wrestlers' traditional hot-pot soup, in a tiny restaurant founded by a former competitor.

The tallest city hall in the world offers an excellent bento box.

Next door to Tokyo DisneySea is a giant sculpture created by Taro Okamoto symbolizing the dynamism of life.