A dinosaur fossil has been found in an unlikely way in an unlikely place, a hole drilled under the parking lot of a Colorado museum where dinosaur skeletons are on display. The find happened when the Denver Museum of Nature & Science was drilling to study possible geothermal heat for the building. Museum experts say retrieving part of a dinosaur vertebra from the narrow hole was extraordinarily unlikely, but it happened. They believe it came from a smallish, plant-eating dinosaur that lived 67 million years ago. They say only two such finds are previously documented in the world. The hockey-puck-shaped rock is now on display in the museum.