The Walt Disney World Resort, informally known as Walt Disney World or simply Disney World, is an entertainment complex that opened October 1, 1971, in Lake Buena Vista, Florida, and is the most visited such complex in the world. Through September 27, 2014, Military personnel receive a discounted rate at select Walt Disney World resorts. Upon check-in, guests must show a valid military ID. This offer is open for active and retired members of the Armed Forces, including the National Guard, the Reserves, and the Coast Guard. For more information on deals and discounts, you can visit BestTravelCouponGuide.