A hidden passageway now marks the site of an assassination attempt on Ronald Reagan that some say broke a 140-year-old curse.

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

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

You could be standing at the site of one of D.C.'s most fatal tragedies and not even know it.

There's a crumbling old mansion inside the Smithsonian National Zoo.

A surprising, but overlooked example of geology in the middle of the nation’s capital.

An amazing example of early-20th-century architecture, this church features marble transported from Utah.

When it opened during the final years of the embargo, all the drinks and cigars were free.

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

This poor little statue is the most vandalized memorial in Washington.

The world's oldest soul food restaurant is also one of its best.

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

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

Through the decades, Black music stars have performed at this historic hub for music and the arts.

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 gorgeous mural outside a beloved D.C. restaurant pays homage to famous Black Americans.

The first memorial dedicated solely to the Black troops who fought for the Union.

The former home of elite checkers battles of the Capital Pool Checkers Club.

The U.S. Fish Commission’s effort to mass produce carp.

Once the supplier for noteworthy projects like the National Cathedral, this old brickworks now lies abandoned.

Literal "money laundering."

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

Members of Congress have traveled between the buildings on Capitol Hill for a century hidden from tourists, press, and storm clouds.

Light bulbs, scrap wood, and tinfoil comprise this homemade throne of the gods.