Cuyahoga Valley National Park (CVNP) is hosting a volunteer open house from 1-3:30 p.m. Feb. 8 at Happy Days Lodge, 500 W. Streetsboro Road in Peninsula. Attendees can find out more about the following opportunities: archaeological assistant; citizen science; Cuyahoga Valley Scenic Railroad: cycling school; donor garden; Environmental Education Center: First Ladies National Historic Site; habitat restoration; James A. Garfield National Historic Site; Junior Ranger fishing assistant; Rail Rover: special events team: trail maintenance; Trail Mix shop greeter; and visitor center assistant at Boston Mill, Canal Exploration Center or Hunt House…