When Butch Cassidy and the Sundance Kid hit international movie screens in 1969, Robert Redford was propelled into the limelight. Over 50 years later, the veteran Oscar-winning actor is still making waves in the industry. Now, Redford's long-term Utah ranch is on the market, giving us a fascinating glimpse inside the private life of one of Hollywood's most enduring stars. For sale for a cool $4.9 million (£3.5m), could you be the next owner of Robert Redford's equestrian estate?