Best Utah Colorado
Dinosaur National Monument is a protected area spanning northeastern Utah and northwestern Colorado, established in 1915 around a major dinosaur fossil quarry. At the Quarry Exhibit Hall, visitors can see more than 1,500 dinosaur bones preserved in an exposed rock face, including remains of large Ju...
The Roan Cliffs are an escarpment in northwestern Colorado, along the southeastern margin of the Piceance Creek Basin. Their cliff-forming beds belong to the Green River Formation, a geological sequence that includes shale and marlstone and is associated with the oil-shale resources of the region. T...
Stretching across Utah and Colorado, the Book Cliffs are a prominent sandstone escarpment often cited as the longest continuous escarpment in the world.
