With over 340,000 artifacts and counting, there is something for everyone, often called the "Smithsonian of the West."

A cemetery housing wild west legends in South Dakota.

A once grand hotel is being retaken by the wilderness it once capitalized on.

During the 19th-century, this park was a vital trading fort.

Walk a trail through a historic Quaker town that outlawed slavery in 1777 and was a major waypoint on the Underground Railroad.

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

A grove of "candelabra redwoods" deep in California's Lost Coast.

Extraordinary objects lurk in this quintessential regional museum.

Hear, smell, see, taste, and touch history at this immersive Civil War hospital.

One of the oldest train stations still standing in Virginia played a vital role during the Civil War.

A lone historical marker off the highway and scattered debris are all that remain of this Cold War-era missile site.

A decaying garage hidden amid the dense forest is all that remains of a once-prosperous dairy farm.

An out-of-place Air Force radar dome is all that denotes this park as a former missile launch site.

This abandoned bridge to nowhere stands secluded in the woods of a Cleveland suburb.

A ship that lived many lives under many names is now known merely as the "Ghost Ship."

A mammoth pair of Civil War artillery guns abandoned out in the forest.

A pre-Industrial Age iron furnace and the site of a nearly-forgotten piece of Black history.

A star fort along the C&O Canal in western Maryland that protected America in three wars.

The "mysteries" of this quintessential roadside oddity were almost destroyed by neglect but were saved by fans of kitschy wonder.

The remains of the iconic train crash from the movie The Fugitive can still be found rusting along the Great Smoky Railroad.

One of the oldest living oak trees in the Southeast.

More than five miles of underground passageways.

This head-spinningly bizarre Depression-era art cave is wall-to-wall quartz and Jesus.

Mile-long cave system near Great Smoky Mountains.