Ponderosa Ranch high in the Sierra Nevada, with a large ranch house in the center of it. Ben Cartwright was said to have built the original, smaller homestead after moving from New Orleans with his pregnant third wife Marie and his two sons, Adam and Hoss. The grown Adam, an architect/engineer, designed the later sprawling ranch house as depicted on TV ("Bonanza, The Philip Diedesheimer Story", Oct. 31, 1959, NBC-TV; "Bonanza: The Return", April 1993, NBC-TV). The fictional ranch was roughly a two-hour horse ride from Virginia City, Nevada. (Note: There are slight variations as to the origin of the Ponderosa Ranch,
Bonanza: The Next Generation Bonanza: The Next Generation Bonanza: The Next Generation is a 1988 American made-for-television western film and a sequel to the 1959–1973 television series "Bonanza" starring John Ireland, Robert Fuller, Barbara Anderson, Michael Landon Jr., Brian A. Smith and John Amos. None of the characters from the original series appears since the entire cast, with the exception of Pernell Roberts and Michael Landon, had died. Lorne Greene had signed to reprise his role as patriarch Ben, but died shortly before production began. He was replaced by veteran actor John Ireland, who played Ben's brother Aaron. The movie features Michael Landon Jr.