Contacts and service hours, locations Service hours, location and contacts of the Natural History Museum The Natural History Museum in Harju Vesilinna is open Tue-Fri 11 am – 6 pm and Sat-Sun 12 am – 5 pm (exceptions during bank holidays). Service hours, location and contacts of the Soihtu Exhibition Centre Soihtu Exhibition Centre in Seminarium (S) building is open Wed-Fri 12 am-5 pm and Sat 12 am – 4 pm. University Museum offices and workspaces University Museum's offices and workspaces locate in Lähde-building (B) on Seminaarinmäki campus area. Service addresses and staff contacts Service addresses and staff contacts