1Islands
On a small island, a monumental display takes place as the giant Hatzegopteryx reveals his gentler side to woo a mate.
2Badlands
Trudging through a scorching desert, two young Tarchia find relief at an oasis and encounter an adult twice their size, ready to lay claim.
3Swamps
In a drought-stricken basin where much has perished, an old Pachycephalosaurus bull defends his leadership against a young challenger.
4Oceans
Deep beneath the water's surface, the world's largest predator—the Mosasaurus—lies in wait to ambush unsuspecting prey.
5North America
Not many can intimidate North America's top predator, T. rex, whose size and bite are a deadly combo—except for a giant winged foe.