Vacaville, named for its founder, Juan Manual Vaca, grew up next to what has become a major highway to Sacramento and points north. It became famous for its Nut Tree Restaurant, which for decades offered travelers the produce of this fertile fruit-growing region. Now the modern highway bypasses Vacaville's historic downtown, leaving it to be enjoyed by the growing population of greater Vaca Valley. Even though the modern city has grown out to engulf...