The Hackley & Hume Historic Site, Fire Barn Museum, and Scolnik House of the Depression Era will open for the season today. All three sites will be open Thursday through Monday from 10 am to 4 pm. Sunday hours are 1 to 4 pm. Admission at the Hackley & Hume Historic Site is $7 for adults and teens, $5 for 65 and older, and visitors 12 and younger are admitted free. Admission is free at the Fire Barn Museum and Scolnik House. The three sites will be open through October.