Atop this media building, two hives containing more than 30,000 bees keep the surrounding area vibrant.

Fittingly, America's museum of architecture is itself a magnificently designed old building.

Before founding the American Red Cross, Clara Barton had a tremendous humanitarian impact by locating thousands of missing soldiers.

The most decorated dog of World War I is preserved in the Smithsonian.

A heroic pigeon that, through a barrage of gunfire, delivered a message that saved over 100 lives in World War I.

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

America's Most Wanted's set resides in this tribute to the history of crime and punishment.

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

The National Park Service’s best-kept secret with views that rival any in D.C.

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

Go take a picture with the inventor of the daguerreotype photographic process.

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

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

Sip creative cocktails in the former vault of the Riggs Bank.

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

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

Coins and medals straight from the mint await visitors to this shop in the nation's capital.

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.

This "castle" is actually a limestone and quartz formation hidden along a trail.

The most magical part of this Latin American and Caribbean art museum is a room covered in beautiful blue tiles from floor to ceiling.

Where you can hail your favorite fictional commanders-in-chief.

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

One of the last mosaic tile facades found in the city.

An oft-overlooked, magically musical monolith that stands majestically between Arlington Cemetery and the Iwo Jima Memorial.