History, art, science and hands-on activities are the focus of four separate museums celebrating their unique and similar qualities in a single day in one city. The Festival of Museums will commemorate the contributions of four venues in Gainesville. All four facilities — Elachee Nature Science Center, Interactive Neighborhood for Kids, the Northeast Georgia History Center and the Quinlan Visual Arts Center — will have free or discounted fees from 10 a.m. to 4 p.m. Saturday, May 3.