The remote outlaw hideout of Jesse James, Butch Cassidy, and the Sundance Kid.

Home of mutant livestock.

Smoked mummies housed in mountainside caves.

Thousands of bats stream out of caves every night on the edge on Thailand's second largest park.

City Council meetings still happen in this historic building, impeccably preserved on the inside.

Rocky Atlantic beach home to a stunning stone arch.

Remarkably preserved body discovered in a peat bog.

One of the world's largest ancient burial mounds.

Morocco's largest Jewish cemetery.

The world's largest dark sky preserve is a Canadian park established to preserve the country's last wood bison.

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

Roman ruins top white travertine terraces formed by ancient hot springs.

This hunter-gatherer architecture is believed to be the oldest religious complex known.

Oldest synagogue in the United States.

Living towers made of people that are now recognized by UNESCO.

Ancient burial grounds of the wealthy.

Metal sculpture folk art lining the Kansas Highway.

One of many gator theme parks, abandoned in the sugar fields of South Florida.

Eclectic final resting place of the controversial explorer.

Ship-sized kinetic sculptural fantasy.

The remains of a 12th-century chapter house in Golden Gate Park.

Great place to have a drink and a bite to eat in an atmosphere laden with New York's Bohemian past.

Witness to many historic moments in early Texas history.

Abandoned rock quarry now a haven for mountain bikers and hikers.