McDowell House Museum and Apothecary is hosting a drop-in volunteer open house from 12 to 2 p.m. Wednesday, April 24 at 125 S. 2nd St. in downtown Danville. Come see what it’s like to be a volunteer tour guide at a National Historic Landmark, speak with current volunteers and take a casual tour of the museum. No obligation/sign up required. For more information, call (859) 236-2804.