Theater

"Birdhouse Factory" Cirque Mechanics, 8 p.m. Friday, Sept. 26, The Hemmens Theatre, 150 Dexter Court, Elgin. Tickets are $60, $45 and $40. Children's tickets, age 10 and under, are $10, and must be purchased at the box office window. To order tickets, call (847) 931-5900, www.hemmens.org.

Music

Orion Ensemble concert 7 p.m. Sunday, Sept. 28, Fox Valley Presbyterian Church, 227 East Side Drive, Geneva. $25 adults, $22 seniors, $10 students. Children age 12 and younger are free. For more information or tickets, call (630) 628-9591, www.orionensemble.org.

Art

Plein Air Artist Fest Geneva Cultural Arts Commission, 11 a.m. to 5 p.m. Saturday, Sept. 27, Fabyan Forest Preserve, Fabyan Parkway and Kirk Road, Geneva. Attendees invited to watch plein-air artists painting the Fabyan Forest Preserve. Artists may use oil paint, watercolor, acrylic, pastel and pencil. For more information, visit, www.genevarts.org.

Special event

Art and Alpaca open house 9 a.m. to 5 p.m. Saturday and Sunday, Sept. 26 and 27, Waldron Grove Alpaca Farm, 39W856 McDonald Road, Elgin. See 43 Suri Alpacas and three new babies. Professional art sale includes alpaca fiber art, alpaca yarn, paintings, custom handbags, jewely and alpaca socks. Demonstrations on felting and fiber art. Free. (847) 888-3934.

Religion

Trunk sale 8 a.m. to noon, Saturday, Sept. 27, Bethlehem Lutheran Church, 1145 N. 5th Ave., St. Charles. Outdoor flea market features collectibles, books, toys, sports equipment, crafts and jewelry. Baked goods available. Free-will donations available at the entrance. www.bethlehemluth.org.