Dinosaur National Monument (Directions) — Roughly, 3.5 miles from Salt Lake Lake

Dinosaur National Monument is an American national monument located on the southeast flank of the Uinta Mountains on the border between Colorado and Utah at the confluence of the Green and Yampa rivers.

Additionally, you can see full skeletons, over 2,000 bones.

Sandstone, which has been a primary excavation in Utah.