Many of us are fascinated by dinosaurs ... The Picketwire Canyon Trail along the Purgatoire River features the largest dinosaur track site in North America with over 1,400 individual tracks.

Although this dinosaur lived in the USA, Britain has lots of fascinating prehistoric animals ... Scientists think that Cetiosaurus was probably the largest, but both were nearly as long as two ...

Fun Fact: The world's largest dinosaur stands 86 feet tall and "lives" in the middle of Drumheller. Take the stairs up its middle and peer out at the city from between dino teeth. Heather ...

Dating to the Middle Jurassic period (around 166 million years ago), the extensive trackways are part of what has been described as a huge “dinosaur highway”. They form the largest dinosaur tracksite ...