Merlin Entertainments Plc operates theme parks and family entertainment resorts. The company operates its business through three groups: Midway Attractions, LEGOLAND Parks and Resort Theme Parks. The Midway Attractions group is a branded indoor visitor attraction with up to two hour visitor duration. The LEGOLAND Parks group offers an interactive outdoor theme parks offering one to two day visits targeted at families with children aged two to twelve years. The Resort Theme Parks group includes national destination outdoor theme parks offering one to two day visits in densely populated European markets. The firm offers its services under the brands Alton Towers Resort, Chessington World Of Adventures Resort, Gardaland Resort, Heide Park Resort, THORPE PARK Resort, Warwick Castle, SEA LIFE, Madame Tussauds, LEGOLAND Discovery Centre, The Dungeons, and The Eye. Merlin Entertainments was founded in 1999 and is headquartered in Poole, the United Kingdom.