Don’t do anything stupid until I get back.
At the end of the film, Steve returns the Infinity stones to their proper place in the timeline using a Quantum device in the woods.
This was filmed off of Big Lake at Bouckaert Farms in Fairburn, GA.
When Steve doesn’t return right away, Sam and Bucky see Old Man Steve sitting by a lake. He then passes the legacy of the Captain America shield to Sam.
This was also filmed off of Big Lake at Bouckaert Farms in Fairburn, GA. Thanks to Lawrence Morris for tracking down both these locations.
(Avengers: Endgame, 2019)