This one-room schoolhouse was revitalized in 2007 as a museum focusing on the education of Black children during the early 20th-century.

This tower was once used to create ammunition for early settlers.

On the side of a Virginia highway, a collection of monuments commemorates an 18th-century trek through the Blue Ridge Mountains.

Though his role as the inventor of baseball may be up for debate, fans still festoon Doubleday's grave with baseballs.

The final home of the most famous horse of the American Civil War.

These buildings are a poignant reminder of the thousands of horses and mules who passed through this area of the Shenandoah Valley on their way to war.

The all-but-forgotten cemetery is Eastern Loudon County's largest African-American burial ground.

A secret rendezvous spot where John S. Mosby and his Rangers would meet to divvy up their loot after raids.

A gift from Scotland to the United States in memory of the 270 lives lost when Pan Am Flight 103 exploded over Lockerbie due to a terrorist bombing.

This environmental engineering marvel keeps salt water from the Elizabeth River.

The last early 20th-century schoolhouse in Fairfax County has galvanized the community and engendered a spirit of service among residents.

This train station inspired the name of a 1970's rock band and provided the backdrop for their album cover.

The final resting place of a controversial man who was instrumental in plucking the banjo from obscurity.

At Brandy Station, Civil War soldiers left their mark on the battlefield and the walls of this small wooden house.

The former home of the man whose radical ideas changed the nation.

This church built atop a gas station promises to "equip you for the next stage in your life’s journey."

The Pentagon is so large that it was planned like a city, complete with internal highway infrastructure.

The grave of a champion Thoroughbred hides within the former presidential estate.

An enormous warehouse filled with parade floats collected from over 50 years of patriotic celebrations.

Herbert Hoover's "Brown House" rural presidential retreat was a PR disaster amid the start of the Great Depression.

Rowdy rebels fortified this home during the first popular uprising in United States history.

One tiny triangular park commemorates the victims of a yellow fever epidemic—many of whom are buried right below the grass.

The taxidermy remains of the most popular pony in children's literature.

The maritime museum that boasts the largest nautical library in the western hemisphere.