The City and County of San Francisco is the fourth most populous city in California and the 12th most populous city in the United States. San Francisco is anchor to the 13th-largest metropolitan area in the country, containing 4.3 million, and is the financial, cultural, and transportation center of the larger San Francisco Bay Area, a region of 7.4 million people. Today, San Francisco is a popular international tourist destination,renowned for its chilly summer fog, steep rolling hills, eclectic mix of Victorian and modern architecture and its famous landmarks, including the Golden Gate Bridge, cable cars, and Chinatown.