Before humanity took control of the Earth, our planet was home to magnificent creatures of enormous proportions. Join us on a mesmerizing journey as we explore the colossal beings that once roamed the land in this captivating and unique documentary. Delve into the hidden world of these colossal species and unravel the mysteries that surround them. From avian behemoths with wingspans surpassing that of planes to dinosaurs that could rival the size of a Boeing 737, prepare to be astounded by the breathtaking CGI visuals that bring these ancient giants back to life. As we embark on this extraordinary quest for knowledge, we will unveil the untold stories of these magnificent creatures, counting down the most awe-inspiring specimens that ever set foot on our planet.