Navajo consultants were hired to create the songs used during the tribal ritual scenes.
Filmed on location in Arizona in June where the temperatures hovered around 105 - 110 degrees daily.
Superstition Mountains in Apache Junction, seen in the background throughout the movie, has a storied and haunted history and sacred to the Native Americans.
Natasha Henstridge gained weight specifically for this movie. Padding was added to her clothing to make her look even heavier.
Story originated after reading an advice column where a reader asked whether they would gain weight from eating a box of 64 crayons twice a week. The advisor explained that the reader had an eating disorder called pica and needed to seek help. That was combined with another newspaper article about a young lady who couldn't feel physical pain.