WICHITA, Kan. (AP) — The Kansas Department of Wildlife, Parks and Tourism will hold open houses at state parks at the end of this month. The free events are scheduled March 31 from 10am to 6pm at all state parks. The agency says the open houses will offer visitors a chance to see facilities and recreation opportunities. Staff will also be demonstrating the department's new system for streamlining park reservations throughout the state. The Outdoor Reservation Management System goes online on April 17.