A natural spring situated on the grounds of the Hawthorne estate.

Home to the organ played at General MacArthur's funeral.

The first national memorial to honor all women suffragists stands on land where suffragists were once imprisoned.

An out-of-the-way wildlife haven with a rich and storied past of harboring thousands of fugitive slaves, or "Maroons" during the mid 1800s.

The only surviving 19th-century water-powered mill found in the Washington, D.C. area.

This abandoned church languishing for decades is now one man's passion project and subject of paranormal investigators.

The most historic church in Fairfax County played a role in the creation of the American Red Cross.

A home that witnessed Civil War combat on the Sunken Road has the battle scars to prove it.

A lightship turned museum, outfitted with artifacts from the vessel's past as part of the U.S. Lighthouse Service.

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

This estate on the banks of the James River was home to a Founding Father, two presidents, a famous bugle melody, and what some say was the actual first Thanksgiving.

This monument is dedicated to those lost on June 6, 1944, in the town with that day’s highest per-capita casualty rate.

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

A 14-foot monument marks the resting place of two of the town's earliest residents—and one unknown soldier.

Once the largest trading firm of enslaved people in the U.S., this building is now a museum that preserves Alexandria's dark past.

A memorial dedicated to a highly decorated Marine and Korean War veteran, who also happened to be a horse.

The hide of Stonewall Jackson's equine sidekick is on display not far from where the ashes of his bones are buried.

Burke’s oldest cemetery also houses the victim of the county's grisliest murder.

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

Soldiers were buried next to Lee's house in the center of Arlington Cemetery to dissuade the general from reclaiming his property after the war.

For nearly a year, General Ulysses S. Grant was based here during the American Civil War.

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

This cannonball stands as a reminder of the final act of a fleeting governor amidst a revolution.

The graveyard holding the remains of George Washington's slaves was forgotten for nearly 200 years.