Oct. 8–10. All invited to this annual gathering of enthusiasts of the original Argus camera company, which operated in Ann Arbor 1936–1969. Events include presentations, exhibitions (see Galleries), a field trip to the Henry Ford Museum, meals, photo contests, and auctions. Thurs. 3–8 p.m., Fri. 10 a.m.–7 p.m., Sat. 9 a.m.–8:30 p.m., 525 W. William. $50 (members, $40) suggested donation. Preregistration required at argusmuseum.org/fall-conference. (313) 499–0551.

Every Wed.–Sun. A carnival atmosphere with a variety of family-oriented fall activities on this family farm, including wagon rides, a petting farm, a corn maze, and more. For an extra charge on Sat. & Sun., an apple cannon, paintball, apple or pumpkin picking, and other activities available. Cider & donuts available. Also, on Oct. 3 & 4, local artisans & crafters sell their items at the Craft Show Weekend, and on Oct. 24, young entrepreneurs sell homemade items at the Kids Market (noon–4 p.m.). No pets. 11 a.m.–6 p.m., 5565 Merritt (east of Carpenter), Ypsi. Weekend admission: $27.50 (babies under 2, free). Weekday admission: $18 (babies under 2, free), online only at wiards.com. (734) 482–7744.

Every Thurs., Fri., & Tues. All invited to play ACBL-sanctioned duplicate bridge (Tues. & Fri.) and a 499er game (Thurs.) for players with no more than 499 ACBL master points. 1–4 p.m. (arrive by 12:45 p.m.), 1830 Washtenaw Ave. $9 per person. If you plan to come without a partner, email [email protected]. 

Every Fri.–Sun. Three different audiovisual planetarium shows suitable for all ages. T. Rex (noon) describes the iconic dinosaur’s scientific and cinematic history (includes scenes of dinosaur violence); The Sky Tonight (1 & 3 p.m.) explores the current night sky, with tips on how to find the cardinal directions, constellations, and planets on your own; and Tales of the Maya Skies (2 p.m.) immerses viewers in the wonders of Mayan science, examining how Mayan scholars developed a sophisticated understanding of astronomy, architecture, and mathematics. Noon, 1, 2, & 3 p.m., 1105 North University. $9 at the gift shop. Limited capacity. (734) 764–0480, ummnh.org.

Game vs. Toledo. This month’s home schedule includes a double-header vs. Detroit Mercy (Oct. 3, 1  & 3:30 p.m.), and single games against Bowling Green (Oct. 9, 5 p.m., free). 6 p.m., Alumni Field, 1114 S. State. Tickets $8–$25 at mgoblue.com/tickets & at the gate. (734) 764–0247.

Every Fri.–Sun., Sept. 19–Nov. 1. A large corn maze with 3.5 miles of trails and 3 exits to allow for routes of various lengths. Also, a U-Pick pumpkin patch, hayrides, petting zoo, pedal cars, straw maze, and yard games. On Sept. 27, Family Fun Day (11 a.m.–3 p.m.) features ice cream, balloon art, kids activities, and live music from the Saline Fiddlers. 11 a.m.–9 p.m. (Sat.), 11 a.m.–7 p.m. (Sun.), & 5–9 p.m. (Fri.), 6175 Daly, Dexter. $16 (ages 5–12, $13; age 4 & under, free with adult admission). blastcornmaze.com.

Every Fri.–Sun. A large corn maze with 3.5 miles of trails and 3 exits. Also, a u-pick pumpkin patch, hayrides, petting zoo, pedal cars, straw maze, and yard games. The corn maze is illuminated and guests get a free glow stick on Glow Maze Nights (Oct. 9, 16, & 23, 5–9 p.m.). On All You Can Carry Pumpkin Day (Oct. 25, 11 a.m.–7 p.m.), for $10 you can purchase all the pumpkins you can successfully stack and carry down the lane. On Pumpkin Smash Day (Oct. 30, 5–9 p.m.), each guest receives a free pumpkin to smash, which is then composted or fed to the farm’s animals. Costumes encouraged for the Halloween Spooktacular (Oct. 31, 11 a.m.–3 p.m.). 5–9 p.m (Fri.), 11 a.m.–9 p.m. (Sat.), 11 a.m.–7 p.m. (Sun.). 6175 Daly, Dexter. $16 (ages 5–12, $13; age 4 & under, free with adult admission). blastcornmaze.com.