Based on philanthropist Kay Kimbell's collection of 18th-Century portraits and old masters, multimillion-dollar collection now includes works from prehistoric to Picasso. The $6.5-million innovative building of cycloid vaults by architect Louis Kahn provides unexcelled lighting and display areas. Open Tues. - Sat. 10 a.m. - 5 p.m.; Sun. 11 a.m. - 5 p.m.; closed holidays.