Lions, Tigers and Bear, oh my! Head to the Oakland Zoo with a 4-person pass for a one time complimentary admission. The pass will admit up to two (2) adults and two (2) children PLUS free parking for one (1) vehicle. The Oakland Zoo is home to hundreds of the world's most fascinating animals and the California Trail, an exciting new exhibit that will engage visitors in the exploration of our state's natural past, present and future.