It was once the base for a series of domestic terror attacks.

There’s a hidden military meme engraved on the World War II Memorial.

A derelict bit of infrastructure from the canal that once ran through D.C. is landlocked in the heart of the city.

A 1,100-ton train fell through the floor in 1953. Workers got it patched up in just 72 hours.

A muscular Art Deco monument represents the struggle between regulators and unbridled markets.

An overlooked memorial honoring the local Washington residents who died in World War I.

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

A mammoth pair of Civil War artillery guns abandoned out in the forest.

Architecture lovers won’t stop touching the National Gallery's 19.5 degree marble prow.

Perhaps the most scandalous statue of America's first president.

Corn-inthian columns with a uniquely American take on neoclassical architecture.

A little marble compass above George Washington's (empty) tomb in the Capitol marks where D.C.'s four quadrants intersect.

A relic of FDR's brief foray into utopian urban planning.

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.

The tomb was guarded by soldiers from both sides of the war, and some left their initials carved in the brick.

This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.

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

A beautiful footbridge with over 2,000 glass sculptures along the walls and ceiling.

A museum cafe showcases Native American dishes and indigenous ingredients from across the Western Hemisphere.

The most historic church in Fairfax County played a role in the creation of the American Red Cross.

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

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

This shale formation along the Appalachian Trail once inspired the third president of the United States.

This eye-catching sculpture of rural life seems a bit out of place at a suburban intersection in front of a car dealership.