The superstar of Cold War nuclear bunkers has been featured in countless films but is now barely operational.

The only U.S. Senator to die on the field of battle is buried in San Francisco but memorialized at Balls Bluff Regional Park.

A serene plaza that commemorates one of the Granite State's most iconic figures.

The longest living non-clonal organisms on Earth.

This functioning mill was built in the 1970s using parts from several other West Virginia mills.

This claimant to the title of "smallest church in the 48 states" doubles as an equally tiny, quasi-post office.

An abandoned coal mine reached by a steep hike.

This rural community has attracted both scientists and techno-refugees due to its federally-mandated lack of technology.

This lush forest valley was once mined for lumber to the extent that it was once nicknamed "The Pennsylvania Desert."

A Cold War site complete with rusty structures, hiking trails, and beautiful views.

“It's the quality” (but probably also the drive-through donut tunnel) that has attracted diners since 1968.

A small brick parlor house and artist's studio located in the wilderness is surrounded by imposing suburban palaces.

Classy up your Big Mac with bow-tied servers and chandeliers at the world's fanciest McDonald's.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

Little has changed in the way that this mill operates since the 18th-century.

Built in the 1850s, this church was of the first five churches constructed in Harper's Ferry.

A comprehensive collection of toy and model trains, largely from the mid-20th century.

One of only two sites in the United States containing the remains of Buddha.

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.

A historic dam made famous for its turbines and feature in a Hollywood classic.

This winding road of 318 curves is a must-visit for (careful) motorcycle and sports car enthusiasts.

This woodland architectural installation acts as a camera obscura for the heavens.

A giant cat slowly prowls the parking lot of Zebulon's car dealerships.

The last vestige of a once substantial orchard and farm in the suburbs of Northern Virginia.