Once the extravagant escape of the Ford family, this enigmatic ruin now stands as a haunting reminder of its former glory.

The museum is housed inside the historic 1863 Carson City Mint.

How a bat poo mine became a major Native American archaeological site—and connections to legendary red-haired giants.

Colorado's only active volcano last erupted around 4,000 years ago.

The largest ski jump in the Western Hemisphere hasn't hosted skiers in decades.

A historic train ride from California to Mexico.

The helicopter that "Tricky Dick" absconded from the White House in on his last day in office.

The lasting remains of the region's once booming cement industry.

Intact 125-year-old carpentry shop and Victorian house, along with cobblestone architecture structures.

One of the only remaining vestiges of baseball's Negro Leagues in Atlanta.

After the nearby mercury mine shut down, this town was abandoned and declared a Superfund site.

Beneath the southern end of the Golden Gate Bridge is the “Gibraltar of the West Coast,” a fort built to protect the San Francisco Bay from naval attack.

A reimagined 19th-century Acadian village featuring authentic Cajun-style homes filled with artifacts specific to the period.

A wonderland of caves in eastern Iowa.

Built following the War of 1812, this fort has withstood hurricanes for centuries.

Loyal fans of one television's most famous painters still come to pay their respects.

A stealthy Apache hideaway that became the haunting site of a mass grave.

Explore a misty river canyon from a metal bridge system.

This site honors the end of a 100-year boundary dispute between the United States and Mexico—all started by a river's shifting course.

A frozen oasis lies beneath the scorching New Mexico desert.

The remains of Abó, Gran Quivera, and Qurai are monuments to the long, complicated history of the Indigenous people of the Southwest.

Located in the remote Monitor Valley, this travertine bowl contains a scalding pool of water.

Some 10,000 works of ancient rock art cover these volcanic basalt outcrops near the Gila River.

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