The Ohio State University Museum of Biological Diversity Annual Open House. Free and open to all the public! This year's theme is "Habitat for Biodiversity". Come meet the curators, students, staff, and volunteers and take a peek behind the scenes. There will be an arthropod zoo, a giant fish tank, and plenty of children's activities. Fun and education for the whole family! Parking is free. Collections include the herbarium, tetrapods, insects, molluscs, fish, and crayfish collections.