GETTING THERE: From the Beltway, take Interstate 66 to Exit 13, then right on Route 55 about five miles to South Royal Avenue. Main Street, which, like Royal Avenue, is home to several eateries, is a right turn off South Royal. STAYING THERE: Killahevlin B&B Inn (1401 N. Royal Ave., 540-636-7335) is listed on the National Register of Historic Places; $155 to $255 per night per room; two-night minimum on weekends and holidays. Woodward House (413 S. Royal Ave., 540-635-7010) has a hilltop location; $105 to $149, $220 for the Sunrise Cottage; two-night minimum ... (more)