I'd pick just one area to concentrate on, that way you have time to really enjoy yourself. If you stay in the Seward/Kenai area you might want to check out a Sled Dog tour at Seavey's IdidaRide.
Just watch out for the lock-back knives.
Another classic!!!
Mark Begich, Joaquin Jackson, and Heller resistance... Three huge reasons to worry about the NRA.