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

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

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

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

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 last remaining building in Washington, D.C., built by H.H. Richardson, one of America's most iconic architects.

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.

The former home of Lillian Evans Tibbs and her grandson, Thurlow Evans Tibbs Jr., whose prodigious contributions to music and art spanned more than 90 years.

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

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

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

Washington D.C.'s most famous pianist, composer, and bandleader still tickles the ivories outside Howard Theater.

The final residence of an educator, civil rights leader, and presidential advisor was also the first headquarters of the National Council of Negro Women.

Garments from across the globe call this hidden gem home.

This apartment building designed by a notable Washington D.C. architect housed the Qing Dynasty's Legation.

The former home of the woman who successfully fought to integrate restaurants in Washington, D.C.

This groundbreaking 16th-century map is known as "America's birth certificate."

The first museum in the U.S. to address human rights issues in China.

Coins and medals straight from the mint await visitors to this shop in the nation's capital.

Depending on who you ask, this controversial treehouse is either a charmingly creative child's playhouse or an illegal encroachment on public land.

Mysterious installations bring levity and light to a sometimes stodgy city.

Where you can hail your favorite fictional commanders-in-chief.