JACKSON — The Gold Rush cities of Jackson and Sonora have a lot to offer the motoring tourist from the Central Valley and beyond.Jackson’s colorful business owners relish the chance to recite the history of the area to their flatland customers crossing their thresholds. Antique shops, art galleries, home décor, hand-made pottery, kneading and fiber arts along with American west and Indian Crafts are on sale for the visiting shoppers. There’s also fine jewelry Celtic imports and new and vintage apparel on display in the array of shops.One of the most successful towns to come out of the Gold Rush days, Jackson grew out of a renowned and colorful past with its girls, gambling and its underground tunnels that still shroud the secrets of its scandalous past.