Absolutely adore that sryle of National Park stuff. When I was little my aunt brought me back this awesome canvas bag with one of those pictures on the side (just said ‘America’s National Parks’ on the side, not sure which it was from) and it was one of my favourite things (got ruined by my ex though, still a bit upset about that).
Seems like they mostly separate into two sets, maybe divide them by the styles and see which bunch you prefer like that?