A brass plaque dedicated to a convicted cannibal hangs in the National Press Club, and that's not even the craziest part of the story.

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

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

This unique museum cafeteria showcases the history and regional diversity of African American cuisine.

The institution is sitting on a goldmine of 21,000 paints, varnishes, pigments, and primers preserved for posterity.

The remains of Martha, the last known passenger pigeon, serve as a tool to educate about conservation.

A hidden gem on the lawn of the U.S. Capitol Building designed by landscape architect Frederick Law Olmsted.

There just so happens to be a court even higher than the U.S Supreme Court: a basketball court in the building itself.

After his presidency, George Washington planned to live only a few blocks from the Capitol building.

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

Housing the National Women's Party since 1929, this historic house is now a monument to the fight for gender equality.

Home to a vast and influential collection of Shakespeareana.

One critic described it as "middle Mussolini, early Ramses, and late Neiman-Marcus." Another called it an architectural "natural disaster."

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

The privately owned cemetery that holds room for Washington's finest when they step down from life.

Home to items never before seen by the public.

The discovery site of the "Capitalsaurus," the official dinosaur of Washington, D.C.

100 years later, they're still down there.

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

The famous abolitionist’s preserved estate is one of Washington's finest monuments to its great Black citizens.

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.

A well-preserved relic of the industrial age steel and iron works that dotted West Virginia.

Inside houses a vast collection of military aircraft and missiles spanning the ages.

Bison, America's national mammal, are staging a slow comeback in Ohio's prairie parkland.