There are few creatures more awe inspiring than dinosaurs. While it may not be possible to experience them in real life (you’re a few thousand years too late!), the next best thing is finding out about their past at the Calgary Zoo’s Dinosaurs Alive . To celebrate, we’re taking a look back at the rich history of the creatures that once tread the Albertan plains.

Alberta was teeming with dinosaurs during the Cretaceous period, which was approximately 75 million years ago.