was digging away at a large bank when he inadvertently stumbled upon Alberta’s oldest dinosaur fossil and one of the most well-preserved dinosaur ... predators like T. rex arrived on the scene.

That bone turned out to be part of what may be the best preserved T. rex in the world. Over the next three summers, workers chipped away at the dinosaur, gradually removing it from the cliff face.

Italian anthropology professor Luigi Capasso described St. Teresa's remains as "perfectly preserved." "The right foot, left hand, heart and left arm are perfectly preserved, with intact skin ...