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

A portal into the bricked up canal that runs through the heart of Washington D.C.

Before Nixon, "watergate" meant canals.

This seemingly out-of-place gas station by the Watergate hotel was once described as the most expensive gas station in the world.

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.

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

A small triangle of DC grass is the final resting place of one of Sonny and Cher's songs.

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.

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

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

A tribute to the pop culture icon overlooks this Washington D.C. intersection.

The most accurate timepiece in the world.

A painfully obvious spy house sits right across the street from the Russian Embassy.

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

This taxidermy horse was a Civil War hero.

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

The oldest continuously operating fish market in the United States.

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

On the Fourth of July this area will transform into a Pompeii-like storm of falling embers and ash.

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

The only National Monument ever to go missing for nearly 50 years then resurface in a dump.

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

D.C.'s first central library was born out of a chance encounter with the philanthropist whose name it bears.

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