The world's longest and deepest train tunnel.

A breathtaking bridge that crosses a vast gorge over a river's torrents, and has a tale of a devil architect attached.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

The seat of Buffalo government is a gorgeous Art Deco palace.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

This brightly-colored chapel is a contemporary jewel standing in the middle of a La Morra vineyard.

An enormous pair of straw sandals woven in the traditional way—to keep demons at bay.

After being lost for decades, this striking mural depicting the atomic bomb covers the wall of a busy Tokyo metro station.

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

Take a few seconds to look at this abandoned, art-filled station as you pass by on the subway to Ueno.

A Buddhist temple to honor insects that died for science.

This sprawling scenic burial ground is the final resting place of Japan's last shogun.

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

A beautiful, dense forest in the shadow of Mount Fuji, with a tragic reputation.

The Hanshin Expressway goes right through its 5th, 6th, and 7th floors.

A 14th-century European chapel sticks out of the facade of a Japanese hotel.

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

Peace Park and the Atomic Bomb Dome.

This enormous "shamoji" means more to the people of Miyajima than just a way getting rice onto a plate.

Japanese national treasure originally built in 593 CE.

The giant figure on the back of this turtle-shaped temple actually hides a memorial pendulum.

Once the most densely populated place in the world, this island is now a ghost town.

Although it has never been a secret ninja base, this shrine still has plenty of tricks up its sleeve.