You might think albums are a thing of the past. Well, I suppose they are. I don't particularly like writing that but we have to face the facts. Vinyl has gained some resurgence, which may spark your curiosity as to which albums have sold well in the United States.
This list, so far, has tested the time spectrum and is worth noting. I was particularly impressed by the variety of genres. Songs contained in them were hits that made the artist's popularity mainstream. Several of these artists are still popular.
This list is a good reference. Use it to add songs to your personal playlists.
Here's the link to the post from Newsweek: Top 50 Selling Albums in the U.S.