Whitley County Historical Museum – What This Country Needs ; exhibit of Vice President Thomas R. Marshall through November; 108 W. Jefferson St., Columbia City; 260-244-6372.
Little River Ramblers Nature Hike – Sponsored by Little River Wetlands Project; 9 to 11 a.m.; meet at Eagle Marsh barn, 6801 Engle Road; free; 478-2515 or firstname.lastname@example.org.
Bike Rides – 6 p.m.; Rivergreenway, meet at Lawton Park, gravel parking lot on south side of Fourth Street, near 250 E. Fourth St.; ride is eight miles; www.fortwayneparks.org.
Midwests Largest Flea Market – 8 a.m. to 5 p.m.; Shipshewana; runs through the end of October.
Toddler Tuesday – Entertainment, interactive activities, snacks; sponsored by Sweetcakes Entertainment; 11 a.m. to noon; Jefferson Point, food court, 4110 W. Jefferson Blvd. Ends Oct. 30.
Farmers Market at The Towne House – 3 to 6 p.m.; 2209 St. Joe Center Road; 483-3116 or www.townehouse.org. Ends Sept. 11.
Short Set – 7 p.m.; Cupbearer Café, 138 E. Seventh St., Auburn; no cover; 260-443-2408.
The Randall Hazelbaker Group – 7 p.m.; 4-Corners Park, Coldwater, Mich.; bring lawn chair or blanket.