Unbeknownst to many, an ancient burial mound hides in plain sight in Ueno Park.

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

The decommissioned steam engine’s whistle can still be heard three times a day at one of Japan’s oldest train stations.

Wander through the Corridor of Wonders in these stunning limestone caverns.

Steampunk, humanoid sculptures crawl on all fours in a Tokyo plaza.

It's believed that these columns marked the end of the Via Appia.

The smaller of the three towers of San Marino is a former prison inaccessible from the ground level.

This quirky collection of furniture also happens to be a public art installation.

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.

Tragic reminders of the 1945 firebombing campaign over Tokyo still haunt this bridge.

A small town lost in the mountains of southern Italy hosts the childhood home of one of the most famous saints of the 20th century.

This high-speed test track is popular with car manufacturers, speed freaks and orbiting astronauts.

A spiritual sanctuary in a natural cave.

This bustling Italian plaza is built on the ruins of an ancient Roman amphitheater.

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

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

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

If you want to talk to the Pope you will have to stare down this surreal vision of Jesus rising from a nuclear hell.

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

Southern Italy's spinning top village.

An Italian hillside ghost town.

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