Most Expensive Films Ever Made (25 images)

Disney's "Pirates of the Caribbean : At Worlds End" reportedly cost $300 M to produce. Together with "Pirates of the Caribbean : Dead Man's Chest", it was produced with a combined budget of $450 million. At the 'Box Office' it grossed $114,732,820 on its first weekend, making it the 10th highest grossing opening weekend at the Box Office. Overseas it grossed an estimated $216 million. (UPI Photo/Jim Ruymen)

The 2010 Disney production, cost $260 million and was produced over 6 years using computer-generated imagery (CGI). At the Box Office, Tangled made a respectable $200,821,936 in the USA and Canada, and an estimated $389,900,000 around the world; making a worldwide total of $590,751,936. The high earning made it the second highest-grossing Walt Disney Animation behind the "The Lion King" which made an astounding $783.8 million. UPI/Phil McCarten

The 2007 Marvel production reached a total cost of $258 million, making it the third most expensive motion picture ever made. Spider-Man 3 set a then record $59,841,919 take for its opening day in the United States, breaking Pirates of the Caribbean: Dead Man's Chest 's $55.8 million record. The film also took the worldwide opening day record with $117 million and set a new worldwide record for opening weekend, with a final total of $382 million. (UPI Photo/Keizo Mori)

The sixth installment of the 'Harry Potter' film series cost $250 million to produce, due to the large amount of sets and the use of 'computer generated imagery' to make the flim. The production grossed approximately $933,959,197 worldwide. (UPI Photo/Laura Cavanaugh)