 A $2 million, branch of the Natural History Museum of Los Angeles County was announced to be built at the property in February 1991, their first satellite location, with a planned opening of Summer 1992.A Buffums was also planned for the mall, before the chain's demise in early 1991.The mall opened its doors for a "sneak preview" on August 21, 1991, with 20 of a planned 130 stores open along with anchors Sears and Mervyn's, with Bullock's slated to open in August 1992, along with the rest of "Phase 1" of the property, including a mall food court and movie theater, a 300-room hotel, of office space, and the Los Angeles County museum.