Animals that were Scarier than Dinosaurs

Dinosaurs have long captured the human imagination. Towering above ancient landscapes, these magnificent creatures inspire awe, fascination, and sometimes fear. But, while dinosaurs might be the most famous ancient monsters, they are far from the only intimidating creatures that have walked (or swum) the earth. From the depths of the oceans to the expanses of ancient skies, our planet's history is teeming with creatures more terrifying than any T-rex or Velociraptor. Here's a look at some of these ancient beasts.