America's Most Wanted's set resides in this tribute to the history of crime and punishment.

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

Beneath unsuspecting visitors feet, a capsule containing pieces of America’s civil rights history.

Over the last century, this elegant columned facade has been home to the headquarters of a bank, several nightclubs, and a restaurant.

An 18th-century townhouse that once hosted guests of the president.

This bridge over D.C.'s Rock Creek Park is sometimes called the "Buffalo Bridge" because of its four buffalo sculptures, which were cast from a single piece of bronze.

Dedicated to the man who created the first radio wave communication system.

This small hilltop church weaves the urban history of Washington, D.C. with the national history of the United States.

The story behind this beloved toy—named for Theodore Roosevelt and owned by his grandson—is more complicated than you might guess.

The Conduit Road Schoolhouse is one of the last one-room schoolhouses remaining in Washington, D.C.

This historic building is now home to the Public Access Corporation for the District of Columbia.

A rare example of a rural school in Washington, D.C.

The historic home of an educator, abolitionist, activist, and poet.

The legacy of a wealthy executive and his wife, this little-known art museum features works by Picasso, Monet, Renoir, Cezanne, and more.

A street in front of NASA's D.C. headquarters has been named in honor of the Black women who were essential to early spaceflight.

This historic boathouse was constructed using salvaged lumber from burned barns.

A spectacular tribute to statesman and philanthropist Andrew Mellon.

Home to two notable early-20th-century Black educators, Lucy Slowe and Mary Burrill.

Surrounded by a verdant garden and a backdrop of ivy, a monument to beloved poet Khalil Gibran stands outside of the Lebanese embassy.

Sip creative cocktails in the former vault of the Riggs Bank.

A brass and marble scale model of the solar system embedded in the concrete.

Now a living classroom, this house was once the home of Reverend James Clinton Dent, a formerly enslaved man and a pastor.

One of the first Second Empire-style buildings constructed in North America.

A striking memorial to the 21 lives lost in an explosion at the Washington Arsenal