San Diego County is California's second-most populous county, spanning from Orange and Riverside counties all the way to Mexico. Its 70+ miles of coastline are a prime attraction, but it's far more than just sand and surf. There are 16 military installations, a world-famous zoo, mountains and deserts to the east, and a thriving craft beer and wine industry. Explore America's Finest City and its neighboring towns in this delightful calendar.