Washington, D.C.
American Geophysical Union Sidewalk Planet Display
A brass and marble scale model of the solar system embedded in the concrete.
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Washington, D.C.
A brass and marble scale model of the solar system embedded in the concrete.
Washington, D.C.
The final residence of an educator, civil rights leader, and presidential advisor was also the first headquarters of the National Council of Negro Women.
Washington, D.C.
A replica of the famous memorial statue at the Normandy American Cemetery hides in an office building in downtown D.C.
Washington, D.C.
The U.S. Navy’s preposterously detailed mini battleship took 77,000 hours to complete.
Washington, D.C.
A secret greenspace hides atop a Capitol parking garage.
Washington, D.C.
The elevator that makes it possible to fly American flags in bulk over the U.S. Capitol
Washington, D.C.
This fertility idol of questionable authenticity inspired an iconic Indiana Jones artifact.
Washington, D.C.
Part of a WWII submarine is lurking outside the Washington Navy Yard parking lot.
Washington, D.C.
Once a sewer culvert, this road tunnel now offers cyclists and pedestrians a subterranean stroll under the C&O Canal.
Washington, D.C.
This groundbreaking 16th-century map is known as "America's birth certificate."
Washington, D.C.
The word "Watergate" will forever be associated with the infamous scandal in 1972, but this fountain is famous in its own right.
Washington, D.C.
A diminutive memorial marks the site of a successful assassination by a right-wing death squad in America's capital.
Washington, D.C.
During Prohibition, the U.S. Congress had an "official" bootlegger, with his own Capitol Hill office.
Washington, D.C.
A muscular Art Deco monument represents the struggle between regulators and unbridled markets.
Washington, D.C.
The fountains of the U.S. Navy Memorial are annually salted with water from the Seven Seas as part of a nautical ritual.
Washington, D.C.
A surprising, but overlooked example of geology in the middle of the nation’s capital.
Washington, D.C.
There's an old indoor swimming pool hidden directly underneath the White House Press Briefing Room.
Washington, D.C.
A tiny monument to the unsuccessful attempt by Thomas Jefferson to place the prime meridian in Washington.
Washington, D.C.
100 years later, they're still down there.
Washington, D.C.
Before founding the American Red Cross, Clara Barton had a tremendous humanitarian impact by locating thousands of missing soldiers.
Washington, D.C.
When it comes to handsignals (and colonialism) rock always beats scissors.
Washington, D.C.
Washington's top-secret Cold War-era doomsday communications tower is located in a small neighborhood park.
Washington, D.C.
Where you can hail your favorite fictional commanders-in-chief.
Washington, D.C.
This unassuming passageway played a key role in one of the most important events in U.S. history.