Yahoo! Travel just recently released their top 10 American road trips.  Here are the winners.

1. Big Sur, California
2. Blue Ridge Parkway, North Carolina and Virginia
3. Going-to-the-Sun Road, Montana
4. Hana Highway, Hawaii
5. Million Dollar Highway, Colorado
6. Red Rock Scenic Byway, Arizona
7. Sea Islands, Georgia
8. Seward Highway, Alaska
9. Sonoma and Napa Valleys, California
10. U.S. Route 1, Maine

For more details check out their site.