A former reservoir that was only recently discovered after more than 60 years of disuse.

Built entirely of interlocking pieces, construction of this Chinese Muslim house of worship required zero nails.

This small archipelago in northern Lake Superior was formed by a massive meteorite impact 450 million years ago.

On the shores of Lake Superior, a small group of monks makes sacred sweets.

The site where Michigan launched its first rocket into space lies abandoned in the dense woods along Lake Superior.

Get a taste of the Wild West and a glimpse into the gold rush in Goldfield's oldest continually-running business.

A set of stairs leading down to the Mutha river sit by the foundations of a former temple.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

A floating museum that was sunk by a flood and left to rot in the tides.

An unusual assortment of art, furniture, and other curiosities.

This infamous prison has a store where you can buy goods crafted by incarcerated people.

Abandoned landscape once home to "the world's largest winery."

The only museum of sake in the United States is nestled in an unlikely California college town.

Across Ring Mountain is a vast collection of Native American petroglyphs unique to the region.

An abandoned Cold War missile radar site.

Built by the inventor of the radio, this abandoned hotel has housed early radio employees, military men, and a dangerous cult.

The restored and active Victorian-era final resting place of San Francisco.

A 1940's shrine dedicated to drowned fishermen on the outskirts of Honolulu.

Hidden behind a YMCA stands the remains of a ceremonial site that dates back hundreds of years, whose ground is still considered sacred to many Hawaiians.

A unique collection of Western and Japanese-style graves.

A WWII museum that tries to reenact history.

Lithuania's outdoor sculpture trail of wooden folk art.

An extensive collection of some of the oldest grave markers in Lithuania.

A local dialect born in the late 19th century is only spoken in this isolated California valley.