COUNTY

Maridon Museum, 322 N. McKean St., starts another season of “The Collectors” with Karen Trempus of Penn Township presenting “Horse Tales” at 7 p.m. today. Admission is free, but reservations are required for the program. Call 724-282-0123.

REGION

Red Brick Gallery, 17 Main St., Foxburg, presents an exhibit of work by Jason Floyd Lewis and Mark DeWalt through Oct. 2. Gallery hours are 1 to 5 p.m. Fridays, 11 a.m. to 7 p.m. Saturdays and noon to 4 p.m. Sundays. Call 724-659-0003 or visit www.alleghenyriverstone.org.

PITTSBURGH

Carnegie Museum of Art, 4400 Forbes Ave., presents “Strength in Numbers: Photography in Groups” through Feb. 6. Admission is $19.95 for adults, $14.95 for senior citizens and $11.95 for children 3 to 18. Visit www.cmoa.org.