Indiana Jones and the Kingdom of the Crystal Skull grossed an estimated $101 million at the North American weekend box office, giving it a four day total of $126 million (all figures US). It’s expected to earn another $25 million today, thanks to the U.S. Memorial Day holiday. The Chronicles of Narnia: Prince Caspian dropped to second place, earning an additional $23 million for a total of $91 million. After four weeks of release, Iron Man held onto third, $20.2 million for a grand total of over $252.3 million. Dropping a spot was the comedy What Happens in Vegas, with $9 million. Rounding out the top five was Speed Racer, earning $4 million, for a disappointing three-week total of only $36.2 million.