A movie’s performance at the box office gets plenty of attention. Some people were very impressed when "Avatar" became the most profitable movie in Hollywood history (and still is). Others gasped when the "Cats" big screen adaptation bombed in domestic theaters despite a star-studded cast featuring Taylor Swift and Jennifer Hudson.

But what’s the biggest box office bomb of all time? Here we’ve tried to answer this question. Using data on worldwide box office and production costs from film industry data site The Numbers, 24/7 Tempo compiled a list of 40 movies that lost the most money when comparing their box office gross to their production budgets.