As the 3-D “Walking With Dinosaurs” opens with vistas of Alaska’s awesome mountains and forests in such vivid detail, you wonder how this could be animated. It isn’t — at least not completely.

Handmade stopmotion or 3D model?

Ride on an animatronic pachyrhinosaurus, climb a Tree-cera-top treehouse playground and have a spinning good time on the Hatchling Eggs-plorer ride. The new Roarr! Dinosaur Adventure Park at Marina ...