Bar full of oddities, specimens, artifacts and homages to the great dime museums of the past.

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

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

The hippo that stands on this university campus was once a drunken flea market purchase.

The only tennis court that falls under the jurisdiction of the central bank.

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

Disks are rolled out onto the south lawn to absorb the impact of Marine One's wheels like giant coffee coasters.

This taxidermy horse was a Civil War hero.

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

During Prohibition, the U.S. Congress had an "official" bootlegger, with his own Capitol Hill office.

Press 1 for knock-knock jokes.

There's an old indoor swimming pool hidden directly underneath the White House Press Briefing Room.

Architecture lovers won’t stop touching the National Gallery's 19.5 degree marble prow.

Legend has it that President Grant’s frequent drinking in the lobby gave rise to the term “lobbyist.”

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

The first purpose-built art gallery in the United States is once again open as a center of craft arts.

The national park was once a plantation estate.

A three-story tower of books about Abraham Lincoln is one of the more unusual monuments to the president.

A rotating cast of guys and dolls in front of a Washington, D.C. building.

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