The Denver Museum of Nature and Science unearthed a dinosaur vertebra fossil while drilling a geothermal test hole in its own parking lot. The 763-foot-deep core sample revealed the remarkably rare find, believed to be from a small, plant-eating dinosaur of the late Cretaceous period. Experts are divided on the scientific significance, but all agree on the exceptional luck of the discovery, with only two similar finds globally. The fossil, now on display, represents Denver's deepest and oldest dinosaur discovery to date, despite no further excavation planned due to parking needs.

Prepared by Olivia Bennett and reviewed by editorial team.