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

This small pedestal marks the spot of the first lot of land sold in Alexandria, Virginia in 1749.

The naval commander’s proudest moment in battle is memorialized in this unique tomb at Arlington Cemetery.

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

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

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

A massive, majestic mammal watches over pedestrians from his perch atop a former B.P.O.E. lodge.

This pharmacist and his patient greet visitors to the National Community Pharmacists Association.

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

A glimpse into the sacrifices of military members during World War II.

In the best of all possible worlds, everyone will get a chance to see this statue in which Voltaire's heart is interred.

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

An original apothecary from 1792.

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

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 church is known as "The Home Church of George Washington and George Mason."

The former home of the man whose radical ideas changed the nation.

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

The early data processor factory founded in Washington for the 1890 U.S. Census went on to become IBM.

The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.

‘Bush the old fire dog died of poison July 5th, 1869. RIP.’

A historic estate packed with George Washington's heirlooms, and its own nuclear bunker.

Sit where JFK proposed to Jackie or where Nixon dined on meatloaf at this storied pub.