Candlelight walk
Brown's Creek State Trail
6-9 p.m. Friday
• Hundreds of candles will light the trail between Neal and Lofton avenues. (651-231-6968; mndnr.gov/brownscreek)
The mysterious owl
Wild River State Park
6:30-7:30 p.m. Friday
• Learn about the silent nighttime hunter, including how to imitate its call. (651-583-2125; mndnr.gov/wildriver)
Focus on fossils
Whitewater State Park
10 a.m.-noon Saturday