The Eden Landing Ecological Reserve is located at the bay shore of Union City and Hayward . The Bay Area Flight 93 Memorial is in Sugar Mill Landing Park . It was the first monument completed in the United States designed to honor the passengers and crew of United Airlines Flight 93 , which was homeward bound for San Francisco , but was hijacked and crashed in rural Pennsylvania on September 11 , 2001
Flight 93
United Airlines Flight 93
Union City, California