These massive concrete balls were used to mine gold in Virginia.

This tree is a living witness to the beginning of the Civil Rights Movement.

Where pardoned turkeys once spent their all-too-brief final days.

The controversial urban planner who designed Washington, D.C., was buried in Maryland, and can presently be found in Virginia.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

The Kirkland Monument remembers a selfless Civil War hero who braved the battlefield to give water to his dying enemies.

The largest cemetery for enslaved people in Loudoun County was almost lost to history, if not for the research of a minister.

Once forgotten and built over, this historic Black cemetery now houses a poignant memorial.

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

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

The final resting place of an unidentified revolutionary soldier sits behind a Virginia church.

The U.S. Army's giant warehouse of war art includes Hitler’s watercolors and Norman Rockwell oil paintings.

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

A former major munitions plant that has been converted into a sprawling art space.

A lone historical marker off the highway and scattered debris are all that remain of this Cold War-era missile site.

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.

The remains of a historic plantation nestled in between a parking lot and the rental car return at Reagan National Airport.

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

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

This brick-lined pedestrian walkway was once a railway tunnel used during 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.

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

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