Maridon Museum, 322 N. McKean St., regularly has hundreds of pieces of ancient and contemporary Asian art as well as Meissen porcelain on display. Regular museum hours are 11 a.m. to 5 p.m. Tuesdays through Saturdays and noon to 5 p.m. Sundays; closed Mondays and holidays. Admission is $4 for adults, $3 for senior citizens and students, and free for children younger than 8; children must be accompanied by an adult. Tours are led by trained docents and are available with advance notice. The museum also has a gift shop specializing in objects relating to China and Japan. Call 724-282-0123.

<B>Sweetwater Center for the Arts,</B> 200 Broad St. in Sewickley, is hosting "The Day After Tomorrow," an exhibition of contemporary ceramic sculpture, through March 28. Gallery hours are 9 a.m. to 9 p.m. Mondays through Thursdays and 9 a.m. to 5 p.m. Fridays and Saturdays. Admission is free. Call 412-741-4405 or visit the Web site, www.sweetwaterartcenter.org.<B>Andy Warhol Museum</B>, 117 Sandusky St., is exhibiting "The Vader Project," a show examining the iconic "Star Wars" villain through the eyes of 100 international pop surrealist and underground contemporary artists from around the world. The display continues through May 3. Hours are 10 a.m. to 5 p.m. Tuesdays through Sundays with extended hours until 10 p.m. Fridays; closedMondays. Admission is $15 for adults, $9 for senior citizens, and $8 for children. Call 412-237-8300 or visit the Web site, www.warhol.org.<B>Carnegie Museum of Art</B>, 4400 Forbes Ave., hosts a retrospective of leading contemporary woodcut artist Naoko Matsubara in the exhibition "Matsubara: A Celebration in Pittsburgh" from Saturday through June 7. The first monographic exhibition dedicated to the work of Fernando Romero and his Mexico City-based practice Laboratory of Architecture continues through May 31. Hours are 10 a.m. to 5 p.m. Tuesdays through Saturdays, with additional hours until 8 p.m. Thursdays, and noon to 5 p.m. Sundays. Closed major holidays. Admission, which includes the Carnegie Museum of Natural History, is $15 for adults, $12 for senior citizens, and $11 for students and children age 3 and older, and free for members and children younger than 3. Call 412-622-3131 or visit the Web site, www.cmoa.org.<B>Mattress Factory, </B>500 Sampsonia Way, is showing "Predrive: After Technology" through April 5. Call 412-231-3169.

<B>Hoyt Institute of Fine Arts</B>, 124 E. Leasure Ave., New Castle, opens a Robert Motherwell exhibition called "Lost in Form, Found in Line" with a dinner and concert at 6:30 p.m. Saturday. One of the musicians will be Nanette Kaplan Solomon, professor of music at Slippery Rock University. Tickets for the opening event are $50. Call 724-652-2882 for reservations.