Arizona’s burgeoning wine industry has put the once-sleepy Cottonwood on the map. Nowhere is that more apparent than the Historic Old Town, an area listed on the National Register of Historic Places for its commercial architecture from the first half of the 20th century. Many of the old storefronts lining Main Street have been repurposed into wine tasting rooms. Cottonwood, a quick drive from the red rocks of expensive Sedona, is located in the 200-square-mile Verde Valley. More than 20 vineyards form the Verde Valley Wine Trail appellation—an official American viticultural area (AVA) designation is pending before bureaucrats in the federal government—and grow grapes for commercial wine production. The rest of the wine predominantly comes from the Willcox AVA, an appellation about 300 miles to the southeast in and around Cochise County. Wines include those made from universally known chardonnay and riesling, but also somewhat lesser-known grapes that just happen …