This site looks at four great dinosaurs:

Barosaurus
Triceratops
Corythosaurus
Tryrannosaurus Rex

Other pages to explore on this site are:

The Ancient world      :    Includes a timeline of different Dinosaur periods
Us Lot                           :    Looks at Early Humans
Fossils                          :    What they are, and how they're formed
Extinction                     :    Looks at the Dinosaur's disappearance
Dino Facts                    :    Check out Statistics on our four dinosaurs