The 10,000 Torii shrine.

In 806, Kobo Daishi began meditating on Mount Misen. The Buddhist monk lit this holy fire, which has been kept burning for 1,200 years.

This Japanese national treasure was originally built in 593.

A plaque marks the site directly below the mid-air detonation of the atomic bomb over Hiroshima.

Peace Park and the Atomic Bomb Dome.

An eerie reminder to the horrors of World War II.

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

Legend holds eating just one of these black eggs can add seven years to one's life.

Open-air museum with an elaborate sculpture garden, stretching for over 70,000 square-meters.

Legend has it this spring formed at the spot where a medieval Swedish king was killed.

A large collection of ancient runestones decorates this university courtyard.

A Swedish phone box converted into an informal village library.

A tiny town hall—in Sweden's one-time capital—might be the smallest in Europe.

Sweden's oldest street has not changed for nearly a millennium.

This medieval Estonian tower provides access to a series of tunnels that have been home to soldiers, punks, and fine art.

Estonia's largest creative city is a vibrant bohemian hub located within a former industrial complex.

A monument commemorating the 852 lives lost in the sinking of the MS Estonia.

The Guardian of Tallinn.

A medieval setting reimagined into a unique art alley.

Community owned and operated, this property is home to a diverse set of nudists.

The burial place of an obscure North African saint was turned into a macabre body preservation factory for the 17th-century Neapolitan elite.

Dug as a secret royal escape route, the tunnel became a wartime bomb shelter and dumping ground for vintage cars.

Every day is like Christmas on this street where the traditional Neapolitan nativity scene comes to life.

The walls and streets of the ancient city are peppered with penises.