Grandpa Rainbow felt the neighborhood needed some color, so he picked up a paintbrush and went to work.

A 20-meter (65-foot) robot towers over Tokyo Bay.

This little replica of Lady Liberty provides a bit of NYC in a Japanese city.

This faux-seedy Japanese arcade is made up to look like a maze of alleys straight out of a cyberpunk dystopia.

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

The original "capsule building" is a masterpiece of Metabolist architecture.

Tokyo’s only Vaudeville-cuckoo clock–steampunk-Victorian curio cabinet time piece.

Once a black market electronics marketplace, now an otaku shopper's paradise.

A bibliophile's heaven that contains hundreds of bookstores, offering over a third of secondhand books for sale in Tokyo.

Not quite the menace it once was, this monster still has some chops.

This adorable birdlike police box is designed based on a play on words.

The legendary birthplace of the Japanese maneki-neko is dotted with hundreds of lucky beckoning cats.

Japanese national treasure originally built in 593 CE.

An eerie reminder to the horrors of World War II.

Peace Park and the Atomic Bomb Dome.

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

A large visitor's complex and place of remembrance on the outskirts of the DMZ.

South Korea's largely symbolic, barely used gateway to the North.

The best place for scenic views of the DMZ and North Korea.

Secret North Korean passage discovered below the world's most dangerous border.

The site of many tense prisoner exchanges across the Military Demarcation Line between North and South Korea.

A vast museum devoted to North Korea's victories against its imperialist enemies.

One of the largest public squares in the world, named after the former DPRK supreme leader.

A highly symbolic tower in honor of Supreme Leader Kim Il-sung's personal philosophy.