If you consider yourself an art aficionado, you've probably made the pilgrimage to iconic cities such as New York City, Chicago and Los Angeles. But if you're looking for an under-the-radar art mecca where you can pop into tucked-away museums and galleries and discover a mix of classic and modern displays, these little-known cultural epicenters feature plenty of celebrated collections. To explore a lesser-visited locale, head to these diverse and up-and-coming arts cities. Read more.