This isolated outpost was once the only place to cross the Colorado River for hundreds of miles.

This ancient trail has claimed the lives of over 2,000 people.

Some of Arizona's best spit-roasted tacos al pastor can be found here.

Open since 1938, this diner has kept its fountain, malt machine, and all the gum that greasers left beneath its counter.

Despite a recent paint job, the factory still sits empty.

Some 2,000 carvings show this rare desert spring has been an oasis for travelers for over a thousand years.

This is not your typical jungle gym.

Giant granite rocks standing end-to-end like a train of circus elephants.

The world's largest man-made underground caverns offer unparalleled underwater wonders.

This abandoned prison castle has become an imposing gallery of graffiti art.

Once an ambitious nature spa, these forest ruins now provide a serene monument to failure.

The home of a formerly enslaved man who went on to become a prospector, entrepreneur, and activist for Black rights.

The giant stump of the once towering cottonwood where Ute people held tribal meetings.

A tiny nondenominational church harkens back to the days of the first homesteaders in the region.

Central City celebrates its most famous madam by racing beds down Main Street.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

The ill-fated plan to reroute the Mississippi so that Union ships could bypass Confederate fortifications on the river bend.

The LSU mascot lived on the college campus in one of the most impressive tiger habitats in the country.

The South's nickname was supposedly born at a former bank in New Orleans' French Quarter.

A hurricane-stricken oak tree has been reborn as a beautiful chainsaw artwork.

In a largely deserted ghost town, a little brick building recalls its history as a gold rush hub and haven for outlaws.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

A unique geological area spiked with wind-carved rocks that resemble teepees.

The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.