- Introduce your child to marine biology by searching for dolphins
- Would-be geologists and anthropologists can be inspired by a Grand Canyon hike
- Catch crabs and watch the wild horses run on the banks of the Chesapeake
- Become an archaeologist for the day on a dig at a medieval Irish community
(CNN)She's looking over the boat's edge to spot a dolphin and record its markings. He's digging for medieval tools in the fields around an abandoned friary. Or they're simply hearing their native language spoken a bit differently in a different country, where the food doesn't quite taste the same.