San Francisco, with its unique charm, famous landmarks like the Golden Gate Bridge, and rich cultural diversity, is a city that piques curiosity. Tourists are drawn to the scenic waterfront, historical sites like Alcatraz, and vibrant neighborhoods like Chinatown. The city's culinary scene, art galleries, and proximity to natural beauty, like Muir Woods, add to its allure as a top U.S. travel destination, attracting millions of visitors yearly.