For its 75th birthday on Sunday, the bridge's management is planning a celebration that includes music, art shows, lectures, a new book and a new visitor center. But one thing won't happen: Nobody gets to cross the bridge on foot on the big day. — pbs.org

Musicians look at the bridge differently. Mickey Hart, the former Grateful Dead drummer, sees the Golden Gate Bridge as a "giant wind harp." He plans to be at Crissy Field on Sunday evening, the bridge's 75th birthday, to perform an original composition.

The bridge will be the star. "The most famous bridge in America," Hart said, "is actually a musical instrument." — sfgate.com