The Hyatt Regency Dallas is a 345 ft (105 m) 30-story, 1,120-room hotel at the Reunion district in Dallas, Texas. It was featured in the opening credits of the television series Dallas for the show's entire run, from 1978 until 1991. The building is connected to Union Station and Reunion Tower, the city's landmark observation tower. The Y-shaped building has an atrium on the south side. A low rise ballroom with 32,000 square feet (3,000 m) was added in 2000.