Why antique postcards? Partly because they cost a lot less than antique cars.
These postcards of the South Dakota Badlands and Black Hills – some of them at least – date as far back as 1908, well before the Badlands were set aside as a national monument in 1929 (then a national park in 1978), well before Borglum started carving up Mt. Rushmore, and before cars were allowed in Yellowstone. The cards in color were hand-tinted. The one at the top right was the first antique postcard I ever collected.
I collect old postcards of the Black Hills and Badlands because these places are “home” to me.