Starship-temple contains 400 tons of drinking water and offers free Japanese lessons.

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

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

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

Weighing nearly 7 tons, this massive sculpture was carved out of 500-year-old wood and decorated with thousands of jewels.

Emerging from the sidewalk, this sculpture of a whale commemorates the importance of baleen in traditional Japanese puppetry.

When this clock strikes a certain time, puppets showcase a story of life in Edo Japan.

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

Every color in the rainbow awaits.

Shrine to Japanese water-goblins, complete with their preserved body parts.

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

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

A Buddhist temple to honor insects that died for science.

This site commemorates the life of a Japanese scientist who dedicated his life to the discovery of diseases.

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

A striking symbol of the Bulgarian capital.

Artistic tombs, monuments, and a beautiful "Hall of Fame" lurk inside this cemetery.

The cellar of a former factory is now home to a collection of gloves, machines, and tools of the trade.

A water reservoir disguised as a castle stands atop a hill in a park in Stockholm city.

This building, previously used as a courthouse, has an unusual geological feature in its basement.

A statue that stood at the center of a long copyright battle.

A concrete mushroom that divided Stockholm residents for nearly a century.

Several cannonballs of mysterious origins decorate two buildings in Stortoget's main square.

A wooden street sign is the last remnant of this 400-year-old alleyway.