A dinosaur bone dating back 67.5 million years was discovered beneath a Denver museum's parking lot. The bone, found 763 feet below ground, is the deepest and oldest fossil found in Denver. Other discoveries in urban settings around the world have provided valuable insights about dinosaurs.

Construction workers recently bored a two-inch hole in the parking lot of the Denver Museum of Nature and Science to determine the viability of installing a geothermal heating system. Researchers at the museum used the project as a chance to study the geology of the land that Denver was built on,