Henry Foxall came to Washington in 1800 with an armload of defense contracts and established a munitions plant on the banks of the Potomac. He was here at the personal request of Thomas Jefferson, who felt that the federal city needed its own cannon foundry.
Ever drive past this out of place looking gas station next to the Watergate hotel? That's the old Higgins Service Station (more widely known in recent years as the Watergate Exxon), it is one of Washington's most iconic gas stations.
Riggs Bank was a Washington institution for over a hundred years. More than 20 U.S. Presidents (ranging from Lincoln to Nixon) banked at Riggs, and their headquarters across the street from the Treasury Department used to be pictured on the back of the old ten dollar bill.
A water-filled boat elevator used to lower barges from the C&O Canal down to the Potomac River. It was one of just two projects that were selected as the best representations of American engineering at the 1878 Paris Exposition (the other project was the Brooklyn Bridge).