Ag tourism entails visiting a working farm or any agriculture, horticulture or agribusiness operation, for the purpose of leisure, education or active involvement in the activities of the farm or operation.  Agritourism can include farm stands or shops, U-pick, farm stays, tours, on-farm classes, fairs, festivals, pumpkin patches, corn mazes, Christmas tree farms, winery weddings, orchard dinners, youth camps, barn dances, hunting or fishing, guest ranches, and more.  Examples of Ag-Tourism opportunities across California can be found here.  The University of California also has resouces for businesses interested in starting an Ag-tourism opportunity, and Fact Sheets can be downloaded at their Small Farm site.