An innovative attempt to break a siege in the American Civil War still scars the earth today.

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.

This museum explores the grim reality of life in the earliest British colonies in America.

Hear, smell, see, taste, and touch history at this immersive Civil War hospital.

This stately building in Alexandria, Virginia was built by Freemasons to honor one of their most famous members.

This colonial tavern played host to George Washington, Thomas Jefferson, and other famous early Americans.

The rogue roots are gradually consuming some of the historic marble grave markers.

The Grand Ole Opry's big voice came from a small home in rural Virginia where she was eventually buried.

Under a playground is a little-known sealed train tunnel that likely contains the bodies of workers trapped by cave-ins.

This grave marks the passing of a historic Jane Doe whose identity remains a mystery to this day.

The only recreation of William Shakespeare's indoor playhouse.

The narrowest house in America is seven feet of pure spite.

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

The final resting place of two (or three) presidents, one vampire, and 18,000 Confederate soldiers.

A former mental hospital founded in the 1930s by a eugenicist who advocated for the forced sterilization of patients.

This once-palatial plantation may have been the site where a draft of the Declaration of Independence was written.

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

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

The little-known, 300-year history of the area includes former lives as a bustling tobacco port, parking lot, and industrial dump.

At 207 feet, one of the world's longest continuous escalators.

The Byzantine, pre-Columbian, and medieval art at this stately mansion are some of the most under-appreciated collections in D.C.

This fertility idol of questionable authenticity inspired an iconic Indiana Jones artifact.

The iconic D.C. restaurant where the Cuban Missile Crisis was negotiated, now a Walgreens.

Before Metro, Washington had a robust streetcar network—and you see the remains of this infrastructure if you know where to look.