Some have suggested that Easter Island is the remnant of a lost continent, or the result of an extra-terrestrial influence.

• 史学家们一直在争论不休，有人认为是与墓葬有关，因为曾经在石像下面的神龛里发现过人的尸骨；还有人认为是与当地人的祭祀活动有关，放置石像的平台就是祭祀的圣台。