Arrive in Anchorage and book a hotel for your first night. Explore Anchorage in the morning if you have time before picking up your RV Rental
Spend some time exploring glaciers and Kenai Fjords National Park. Seward is a very cute port city with good resturaunts and lots to do!
Finish up your trip with a visit to Denali National Park. Did you know only 30% of visitors ever see Denali mountain?