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

An out-of-place Air Force radar dome is all that denotes this park as a former missile launch site.

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

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

Named for a Greek oracle that interpreted the words of Zeus, this beautifully-restored manor home was once home to the architect of the Marshall Plan.

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

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.

Located at the former Lorton Prison the Lucy Burns Museum tells the story of the 91 year history of the prison including the dark chapter of its involvement in the women's suffrage movement.

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

This Virginia railway overpass is said to be haunted by a serial killer in a rabbit costume.

The remnants of a wooden-hulled fleet built and abandoned in WWI, now home to a thriving ecosystem.

Exact replica of the ancient monument, but much, much lighter.

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

This pre-Revolutionary War grist mill ground corn and flour for soldiers in seven American wars.

The FBI's urban training course may have the highest fake crime rate in the world.

These trees are living witnesses to events that inspired poet Walt Whitman’s service during the American Civil War.

An overgrown garden stands as a grim marker of an unrealized dream.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

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

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

Edgar Allan Poe's old dorm is now a shrine to the author's legacy.

Hidden for 165 years inside a building designed by Thomas Jefferson are the remains of what may be America's first educational chemistry lab.

Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.

The ruins of this Thomas-Jefferson-designed mansion have been left to crumble since the Christmas Day they burnt down.