Whoever was already at these national parks: Which would you recommend to choose.
Option 1 Badlands NP, Mount Rushmore, Yellowstone NP, Grand Tetons
Option 2: Great Sand Dunes NP, Mesa Verde NP, Arches NP and Bryce canyon NP
Coming from Denver, have 4 days on the ground also need driving time during this period, not looking for major hikes just to cover and see main nice views and maybe some short hikes.