Longwood Gardens, Brandywine Valley, Pa.

Distance from Baltimore: 75 miles, 1 hour and thirty-five minute drive. Why it's worth the gas: In 1700, a Quaker family named Peirce purchased the Longwood Gardens property from William Penn, established a working farm and, in 1798, began an arboretum. By 1850, the site held one of the finest... JED KIRSCHBAUM, Baltimore Sun