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

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

Cherry blossom season comes early in this Japanese town where pink flowers line the streets and riverbanks.

An on-site urban farm and fish pond supply some of the produce for this upscale restaurant.

A forest of phallic offerings found in a quiet corner of a hotel car park.

This Bangkok high-rise looks like a rudimentary LEGO elephant.

A memorial to the monk who set himself on fire to protest the persecution of Buddhists in Vietnam.

A sculpture park that takes the use of clay to a whole new level.

This French colonial post office is arguably the grandest in all of Southeast Asia.

The notorious "Hanoi Hilton" where Vietnamese colonial subjects and later American POWs, including John McCain, were imprisoned.

This network of tunnels housed an entire village for years, and even had a hall for screening movies.

A desert in southeast Asia, complete with a beautiful lake covered in lotus flowers.

A nightmare for the claustrophobic lies hidden in Southeast Asia.

This striking landscape in northern Vietnam contains both geological and archaeological wonders.

Home of the unusual art of water puppetry, one of Vietnam's oldest curiosities.

This bridge is embedded with a giant steel dragon that breathes fire from its mouth.

Twice a day a speeding train passes only inches from the homes of this residential neighborhood.

This spectacular bridge supported by two gigantic hands looks like something out of a fantasy universe.

World's largest cave was only discovered in 1991, and now offers tours to the public.

Ancient man-made caves underneath small town Belgium.

The vast chamber inside this abandoned cooling tower looks like something out of a sci-fi dystopia.

Walk or bike along a narrow strip of Belgium sandwiched by German territory.

This collection of solar timekeepers includes the world's first digital sundial.

Each time a baby is born in Ghent, these streetlights flash in silent celebration.