The document lists the most expensive films produced between 1997 and 2010. It provides data on the film title, year produced, estimated production budget in millions of US dollars, studio, and domestic and worldwide box office gross. Several films from 1997 to 2010 had production budgets estimated at $200 million or more, including Titanic (1997), 2012 (2009), Avatar (2009), and Pirates of the Caribbean: At World's End (2007).