Dinosaur National Monument Overview
Dinosaur National Monument spans Utah and Colorado as a vast protected area featuring paleontological sites and scenic landscapes. The park preserves fossil beds and offers hiking, viewpoints, and interpretive programs for visitors.
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Dinosaur National Monument
Utah
Colorado
Dinosaur National Monument Fossil Site Overview
Dinosaur National Monument ranks among the world’s largest dinosaur graveyards with numerous complete skeletons. The Morrison Formation, a sandstone layer, lies across the area making it a prime location for Jurassic period fossils.
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Dinosaur National Monument
Earl Douglass Finds First Dinosaurs in 1909
Paleontologist Earl Douglass discovered the first dinosaurs at the site in 1909, marking a milestone in early American paleontology and the study of prehistoric life.
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Earl Douglass
Dinosaurs appear in wall display at historic site
The fossils are exposed in a wall forming a building side. About 2,000 bones are visible, with more than 20 complete dinosaurs and several thousand bones found at or near the site.
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Rio
Douglass
Dinosaur Quarry
Stegosaurus
Allosaurus
Apatosaurus