Time Travelers - The History Center is a member of the Time Travelers program. This reciprocal program includes 178 participating institutions with over 250 individual museums and historical societies in 43 states across the country. Members of Time Travelers organizations receive a variety of special benefits, such as free admission or gift shop discounts when they visit Time Travelers affiliates. To receive your Time Travelers benefits, be sure to carry your History Center membership card when you travel. For a listing of member institutions click here, or call the History Center to have a member listing mailed to you. Click here to become a member of the History Center.