The Coliseum is the largest and most diverse footprint of various dinosaurs, as well as fossilized ecosystems, that lived in the area 70 million years ago.
Denali, Alaska (KINY) - University of Alaska Fairbanks scientists have discovered and documented the largest known single dinosaur track site in Alaska. The site, located in Denali National Park and Preserve, has been dubbed “The Coliseum” by researchers.