The Grapevine Heritage Foundation is a nonprofit organization. It has a staff of more than 500 members. The foundation features several historical buildings, such as Torian Cabin, Nash Farm and Dorris House. The Grapevine Heritage Foundation s Depot/Section House facilitates the operation of the St. Louis Southwestern Railroad, also known as Cotton Belt Railroad, in Grapevine in Texas. The foundation s Thomas Jefferson Nash Farmstead is spread over an area of nearly 5 acres. Its city hall includes historical photographs of grapevine buildings. The Grapevine Heritage Foundation is a part of the Grapevine Convention & Visitors Bureau. The foundation also offers detailed information on agriculture, settlement and preservation.