Naturalis is open on the following days and times: Monday: 10 a.m. - 5 p.m. Tuesday: 10 a.m. - 5 p.m. Wednesday: 10 a.m. - 5 p.m. Thursday: 10 a.m. - 5 p.m. Friday: 10 a.m. - 5 p.m. Saturday: 10 a.m. - 5 p.m. Sunday: 10 a.m. - 5 p.m.