This synagogue is covered in beautiful mosaics that explore the history of the Jewish people.

It took a lifetime to collect these mechanical musical wonders.

The ancient heart of Tunis is an enormous maze of narrow streets and alleyways.

An ancient Phoenician citadel once stood at the site where Queen Dido first landed, according to legend.

This museum in the famously blue neighborhood of Sidi Bou Saïd showcases a traditional Tunisian lifestyle.

Hundreds of people walk past this palm tree every day without spotting its secret.

A shrine dedicated to the sacred white snakes of Iwakuni, whose albinism has been passed down for generations.

One of Japan's most famous sights, the bridge was originally built in 1673.

Peace Park and the Atomic Bomb Dome.

An eerie reminder to the horrors of World War II.

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

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

This Japanese national treasure was originally built in 593.

Japanese island famous for poison gas and fluffy bunnies.

America's smallest "national forest" has only 33 trees.

An attractive alpine lake at 8,400 feet that is accessible via a paved road.

The world's largest dead polar bear, immortalized by taxidermy and Hunter S. Thompson.

Small Nevada town embraced its designation as the "Armpit of America" with an Old Spice-sponsored festival.

Local history museum with mammoth bones and an old myth about local giants

This giant slab of driftwood marks the beginning of the Winnemucca to the Sea Highway.

The self-made house sculpture of an outsider artist who named himself "Chief Rolling Thunder."

An abandoned mine serves as a stark memorial of when mercury was a valued strategic metal.

A surviving concrete arrow from a 1920s navigational network is preserved right off a modern freeway.

The smallest country in the world.