WOODSTOCK – The McHenry County Conservation District will offer a variety of events for families.

• A Walk in the Dark: 7 to 8:30 p.m. Oct. 30 at Brookdale Conservation Area, 18410 Route 14, Woodstock. Take a night hike and learn to use night vision and other senses to experience the wonderful natural world. The program is free for county residents and $2 for nonresidents. It is for adults and families ages 6 and up. The registration deadline is today.

• Discovery Days: 10 to 11 a.m. Nov. 2 at Lost Valley Visitor Center in Glacial Park, Route 31 and Harts Road, Ringwood. Enjoy an hour of fun including a game, craft, snack and educational activities all based around the special theme of the day. The program is free for county residents and $3 for nonresidents. The registration deadline is Sunday.