This abandoned horse racing track was an exercise in hubris from its inception.

The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.

When it was built in 1929, this historic bridge was the only place to cross the Colorado River for 600 miles.

The stone circle honors the 19 firemen who perished during the Yarnell Hill Fire.

A scrap-metal sculpture recalls an infamous 19th-century camel.

This huge dam across the Colorado River caused an armed standoff between two U.S. states.

This memorial pyramid marker honors one of the United States Government's first official camel riders.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

Most-visited and most-photographed slot canyon in the American Southwest.

The arch that celebrated the completion of the Lincoln and Victory highways.

Experience a charming 1930's version of "infotainment."

An eatery for UFO seekers on the Extraterrestrial Highway.

A collection of haunted objects and macabre oddities under one roof.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

Art Deco stylings conceal the true nature of this bridge.

Thousands of turbines whir at at the origin of North American wind power.

The world’s largest concentrated solar plant generates as many problems as megawatts.

Everything you always wanted to know about borates is here.

This crumbling Death Valley mining complex was known for its use of giant, 20-mule team wagons.

This giant temperature attraction created some giant electric bills.

This rare tortoise skeleton has been hanging around the downtown Los Angeles museum for over a century.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.

The quiet canyon has a tumultuous history involving a doomsday cult.