Never knew they were tiki statues, I thought they were bottles in the brief split second I saw them before collecting.
What do they have in California/Nevada? Has to be something related to either of those states. Maybe.
Los Santos had graffiti tags, San Fierro had photograph/snapshot things you could only see through the camera (right?) and I forget what Las Venturas had. Plus there were also oysters in the water and I think there were some horseshoes scattered over the entire map.