An abandoned coal mine reached by a steep hike.

The oldest existing one-room brick schoolhouse in Loudoun County.

A small and somewhat hidden memorial to 68 local veterans of the Vietnam War.

Recorded as the first person buried in Arlington Cemetery.

A collection of vehicles across American military history.

An eponymous directional signpost erected by the first president of the United States.

Anna Anderson spent most of her life claiming to be the lost Romanov child Anastasia.

Born a slave on the Arlington estate, Parks dug the first graves at Arlington National Cemetery, and was buried there, too.

Affectionately known as "Lord Bot," this historic statue has a cult social media following and rightly claims to be “the most metal inhabitant of the Wren Yard.”

This simple stone memorial remembers a secret, Geneva Convention-defying interrogation base from WWII.

This campus chapel is Robert E. Lee's final resting place and a topic of debate about the legacy of the Civil War.

The oldest arched-covered bridge in Virginia has truly withstood the test of time.

The Grand Ole Opry's big voice came from a small home in rural Virginia where she was eventually buried.

Collecting 700 years of mechanical death-dealing, the NRA's sprawling gun museum is a revealing testament to the American obsession with armament.

An extensive, if one-sided, history of U.S. law enforcement's war on drugs.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

A 150-square-foot masterpiece of American landscape art is the crown jewel of this library and art gallery in Vermont.

Dozens of playful sculptures blanket these 200 rolling acres of farmland in an ode to art and landscape.

An unexpected canine grave atop a mountain.

This magnificent Japanese garden provides a moment of Zen in rural Vermont.

This folk art dinosaur was almost pushed to extinction due to lack of a building permit.

One car at a time please.

Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

A fruit-loving town welcomes visitors with a giant melon set against the sky.