2. AT&T Park, San Francisco, California
2. AT&T Park, San Francisco, California. Travelers visiting AT&T Park can take in amazing views of the San Francisco Bay in this stunning ballyard that opened in 2000. Visitors wait for home run balls to be hit into McCovey Cove, enjoy tasty local fare and beverages and can visit the 50-by-50 foot replica of the park designed for children. “Even if you don't like baseball, you must take in a game here,” said a TripAdvisor traveler.