The Associated Artists of Butler County is showing its 76th annual Nature & Wildlife exhibit through Friday at The Art Center, 344 S. Main St. Other upcoming events include: "Art of Horror V" opening at 6 p.m. Oct. 15, "Butler County Art & Artists" opening Oct. 22 (admission $35), and the annual holiday show and sale running Dec. 3 to 31. Art classes are available for $5 an hour. Call 724-283-6922.

Maridon Museum, 322 N. McKean St., is hosting displays hundreds of pieces of ancient and contemporary Asian art and Meissen porcelain. Hours are 11 a.m. to 5 p.m. Tuesdays through Saturdays and noon to 5 p.m. Sundays; closed Mondays. 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.

Saxonburg Area Artists Co-op, 215 Main St., rear, in Saxonburg, is open 6 to 9 p.m. Thursdays, 1 to 9 p.m. Fridays, 10 a.m. to 2:30 p.m. Saturdays and by appointment, though visitors should call 412-260-5779 or 412-849-4648 to confirm.

Bottlebrush Gallery, 539 Main St., Harmony, presents June Kielty's "Expressions in Wax and Dye" through Sunday. Hours are 11 a.m. to 7 p.m. Wednesdays, Thursdays and Fridays, 10 a.m. to 5 p.m. Saturdays, and noon to 5 p.m. Sundays. Call 724-452-0539 or visit www.bottlebrushgallery.com.

<B>Blue Heron Gallery</B>, 600 Main St., Volant, is showing "American Visions," a collection of representational paintings by Shirley Jean Dobler, through Oct. 30. The 2010 Student Art Show will also be featured. Hours are 10 a.m. to 5 p.m. Wednesdays through Saturdays and noon to 5 p.m. Sundays. Call 724-652-0752.

<B>Andy Warhol Museum</B>, 117 Sandusky St., presents "Marilyn Monroe: Life as a Legend" from Oct. 23 through Jan. 2. Museum hours are 10 a.m. to 5 p.m. Tuesdays through Sundays and until 10 p.m. Fridays. Admission is $15 for adults, $9 for senior citizens and $8 for students and children. Call 412-237-8300. <B>709 Penn Gallery</B>, 707 Penn Ave., presents "Nature in Glass: A Solo Exhibit of Work by Gary Guydosh" through Oct. 24. Hours are 11 a.m. to 6 p.m. Wednesdays and Thursdays, 11 a.m. to 8 p.m. Fridays and Saturdays, and 11 a.m. to 5 p.m. Sundays. Admission is free. Call 412-456-6666 or visit www.pgharts.org.<B>Silver Eye Center for Photography,</B> 1015 E. Carson St., hosts "Spectra: New Abstract Photography" through Nov. 13. Hours are noon to 6 p.m. Tuesdays through Saturdays. Admission is free. Call 412-431-1810 or visit www.silvereye.org.<B>Frick Art and Historical Center</B>, 7227 Reynolds St., Point Breeze, hosts tours with the theme "Mourning Customs in the Victorian Era" through Oct. 31. Admission to the art museum is free; there is a fee for a tour of Clayton, the former home of Henry Clay Frick. Hours are 10 a.m. to 5 p.m. Tuesdays through Sundays; closed Mondays. Call 412-371-0600.<B>Carnegie Museum of Art</B>, 4400 Forbes Ave., presents "The Art of Structure" in the Heinz Architectural Center. "The Art of Structure" explores radical works of 20th-century engineering that are now in the canon of Modernist design. Regular 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. Admission, which includes the Carnegie Museum of Natural History, is $15 for adults, $12 for senior citizens age 65 and older, and $11 for students with ID and children age 3 to 18, and free for members and children younger than 3. Call 412-622-3131 or visit www.cmoa.org.<B>Society for Contemporary Crafts</B>, 2100 Smallman St., is showing "DIY: A Revolution in Handicrafts" in the main galleries through March 26. The show highlights works created by 15 artists. Hours are 10 a.m. to 5 p.m. Tuesdays through Saturdays and by appointment Mondays. Call 412-261-7003.