Napa Valley: Known for its vineyards and wine tasting tours.
2. Castello di Amorosa: A stunning medieval-style castle and winery.
3. Old Faithful Geyser of California: A natural geyser that erupts every 30 minutes.
4. Robert Mondavi Winery: Offers educational wine tours and tastings.
5. Petrified Forest: Explore ancient petrified trees and volcanic ash deposits.