Originally dubbed "Retirement" by the Navy Commodore who built it in 1780, this beautiful mansion is now the centerpiece of a suburban community park.

The Aldie Gristmill was once the largest factory of its kind in Loudoun County.

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

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.

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

Long buried under the 20th-century landscape, this lift lock of the Alexandria Canal is the lone remnant of an ambitious early American transportation project.

This homestead was occupied by Union soldiers, who believed the owners were signaling Confederate forces.

This little brick tunnel built by Confederate forces was used to conduct surprise attacks on the railroad.

The last of nine massive kilns that produced many of the red bricks for buildings in Washington, D.C. and northern Virginia in the early 20th century.

This former Cold War missile control site played an important role in the creation of GPS.

Metal dinosaurs lurk in a sculpture garden on the outskirts of a popular resort town.

The birthplace of Appalachia's only first lady, who some have dubbed the United States' "first female president."

These figures float and flutter in this fountain crafted by famed Swedish sculptor Carl Milles.

This historic, one-acre island is the only legal place to camp in the city of Richmond.

Standing for over 200 years, the abandoned home of a Revolutionary War hero and later a succession of prison superintendents.

This twice-relocated "Usonian" home is among the smallest built by master architect Frank Lloyd Wright.

Outdoor exhibits explore the contributions of European, African, and indigenous peoples to American frontier culture.

This sprawling farm was once a Cold War-era hideaway for the nation's top diplomats.

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

Extraordinary objects lurk in this quintessential regional museum.

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.

A museum dedicated exclusively to aircraft used in the military.

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