This shield belongs in a museum.
An establishing shot of Washington DC, uses a long lens to capture the US Capitol, with the Smithsonian castle in the foreground, and RFK stadium in the distance.
This is most likely a piece of stock footage either found by the production or created by Marvel Studios during a previous production in Washington DC.
MAP
(The Falcon and The Winter Soldier S01E01, 2021)
MCU: Location Scout 