Twice a year, the quiet town of Round Top, population just shy of 100, transforms into a mecca for design lovers. More than 100,000 treasure hunters, including tastemakers from all over the country, make the pilgrimage to the Round Top Antiques Fair to scour everything from heirloom-quality antiques to quirky one-of-a-kind finds. What began back in 1968 with a handful of dealers showcasing American antiques in one barn has grown into a miles-long stretch of tents, barns, and fields filled wit...