The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

Step past a rainbow of Oaxacan nightshades for a menu of regional moles worthy of weddings and funerals.

The only United States mine for magnesium carbonate has been operating continuously since the 1930s.

This Old West eatery along America's Loneliest Road was originally a stop on the Pony Express.

Singing sand that stands as the final remains of an ancient lake.

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

It may no longer take overnight guests, but the Martin still makes out-of-towners feel at home—just like it has for the past century.

This bridge over the River Cuale leads to a neighborhood that was once an escape for Hollywood's elite.

Boats and fish both find their way through this massive hydroelectric structure.

These machines have been collecting dust for decades.

A Lovecraftian altar of nightmarish bronze chairs sits ominously on a boardwalk in Puerto Vallarta.

Where members of the Crossbow Corps of San Marino demonstrate their skills.

At this airport "microcinema," you can catch a film before you catch a flight.

The World's First 24 Hour Coin-Operated Art Gallery!! Plastic, Styrofoam, and Elvis--If you can't get rid of it, you might as well worship it!!

Tiny horses tethered to antique rings are scattered around the city.

Keen eyes can find the Disney influences throughout this treasure trove of a tiki bar.

The bullet-riddled wall from the St. Valentine's Day Massacre, bloodstains enhanced for your viewing pleasure.

An unprepossessing storage reservoir in southern Utah has a checkered past.

A mining camp built around an unexpected occurrence of silver.

A multi-storied adobe complex has been inhabited for more than a thousand years.

A natural formation that resembles a camel resting in the New Mexico desert.

Eat like pre-Columbian Native Americans in this New Mexico restaurant within the Indian Pueblo Cultural Center.