19th century pendulum and a clock restored by a rogue group of guerilla artists.

A muscular Art Deco monument represents the struggle between regulators and unbridled markets.

A museum cafe showcases Native American dishes and indigenous ingredients from across the Western Hemisphere.

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

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

A portal into the bricked up canal that runs through the heart of Washington D.C.

The unique traffic pattern named for an influential urban planner is also known as the Pedestrian Scramble.

The early data processor factory founded in Washington for the 1890 U.S. Census went on to become IBM.

‘Bush the old fire dog died of poison July 5th, 1869. RIP.’

This stately mansion, built in 1787 by America's first Secretary of the Navy, is rumored to be one of the most haunted buildings in Washington, DC.

Before Metro, Washington had a robust streetcar network—and you see the remains of this infrastructure if you know where to look.

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

Located at the former Lorton Prison the Lucy Burns Museum tells the story of the 91 year history of the prison including the dark chapter of its involvement in the women's suffrage movement.

A replica of the famous memorial statue at the Normandy American Cemetery hides in an office building in downtown D.C.

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

The tunnel under the Capitol Building where Congress takes out its trash.

An easily overlooked memorial to a Ukrainian famine-genocide that killed over 4 million people.

The sculptor was instructed to add “stallion attributes” to the general's bronze mare.

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

The first memorial dedicated solely to the Black troops who fought for the Union.

During the Industrial Revolution this “Temple of Invention” was full of intricate miniature machines and gadgets.

Part of a WWII submarine is lurking outside the Washington Navy Yard parking lot.

One of the largest artillery pieces in the world sits in a Washington D.C. parking lot.

The U.S. Navy’s preposterously detailed mini battleship took 77,000 hours to complete.