Were you on bus goup tour or drive yourself tour to cover those national parks? You missed quite
a few of them, such Bad-land National Park, US Rockie Mountain, Mt. Rushmore, Monument National
Park etc. more fun drive yourself. Just follow Cosmo Tour's route, you'll be safe to cover most
of them. Remember At Mt. Rushmore, go back in the evening for laser show, it's included, parkin
g too.