When you begin considering appealing vacation destinations on the map, it’s hard to top sunny San Diego, California. The state’s second-largest city spans around 4,200 square miles of lush coastal terrain and is made up of no less than 18 incorporated cities paired side-by-side with unique neighborhoods and communities bursting with flavor and charm. Places like La Jolla, Coronado, Del Mar, Escondido, Carlsbad, and Chula Vista all invite guests to...