We would like to fly from U K to Denver do a 14 day road trip in Sept/Oct /07 or April/May/08 , which is the best time to visit. Start diving through the Rocky Mountains, and finishing spending 4 Nights in Las Vegas Nevada. We will both be very nervous first time drivers in the U S. Can you suggest a driving Itinerary and directions etc, finishing in Las Vegas Nevada .We would like to visit the places listed below ,but are open to all suggestions as to over night stops on the way .If possible we would like to avoid driving through cities. Is there a Highway that travels through most of the Rocky Mountains.
1 Night /Mesa Verde National Park
1 Night/ Bryce Canyon National Park
1 Night/ Zion National Park
1 Night/ Grand Canyon
4 Nights/Las Vegas