They can see dinosaurs along the trail. They can visit the fossil dig site. The fossils are 5 to 23 million years old. You can even listen to a tour guide on your podcast along your journey.
For more information, please visit: http://lifeandscience.org/dinosaurs
For fun activities and books to read, go to: http://lifeandscience.org/dinosaurs/activities
If you child is interested in becoming a paleontologist, please look at: http://www.priweb.org/ed/lol/careers.html
Finally, there is a fun, dinosaur dig interactive game at: http://paleobiology.si.edu/dinosaurs/interactives/dig/main.html