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

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

Press 1 for knock-knock jokes.

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

A public art jibe at one of the United States’ oldest and longest-serving senators.

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

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

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

Amid the sprawling Defense Intelligence Agency Headquarters is one of Washington's least accessible museums.

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

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

The towering figures were created from the cemetery's fallen old-growth trees.

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

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

A super-sized promotional trick that is now a D.C. landmark.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

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

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

This lonely waterfront memorial to the men of the Titanic was erected by the "Women of America."

The winding route passes through an enclosed alleyway, two tunnels, and leads to the White House basement.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

A cavernous three-story, 43,800-square-foot basement that was forgotten about for 60 years.

This grand gothic brewery has been pumping out suds for over a hundred years.

A historic neighborhood church is reborn as a psychedelic arts collective.