San Diego is a major city on California’s Pacific coast, known for its year-round mild climate, beautiful sunny beaches, naval bases and huge parks. World-class museums and bustling downtown are also among the charms of San Diego. With a rich history, cool and tranquil resorts and friendly people, San Diego welcomes us with open arms. In fact, the old town of Santiago is also very worth a visit, that is the Spanish colonial period, the first European settlement. Those Spanish-style European architecture makes people feel like a beautiful and fun old town.