Frozen Alaska and northern Canada were once fertile plains. There, plant- and meat-eating dinosaurs lived. Some of today's animals use the same survival skills.

From armored plant-eaters to fierce meat-eaters, many dinosaurs roamed the land that is now the continent of North America. Discover how they lived and what they had in common with todayÕs animals.

When dinosaurs first appeared, the lands of North America and Europe were much different. The continents and oceans were changing. See how dinosaurs lived similarly to today's animals in this evolving region.

Many dinosaurs once roamed the lands of Central and South America. Discover how these creatures lived, and learn what they had in common with todayÕs animals.

The hot, dry South was once covered in deserts, forests, and then rivers. Find out how dinosaurs lived there. See how they compare to today's southern animals.

Some armored dinosaurs were larger than elephants. They were covered with plates and spikes and had heavy, clubbed tails. Find out how the armored dinosaurs fought off the big, meat-eating dinosaurs.

Many dinosaurs once roamed the forests, shorelines, and rocky slopes of Australia. Discover how these creatures survived and what they had in common with todayÕs animals.