The Moai statues on Easter Island, also known as Rapa Nui, are significant as they were created by the Rapa Nui people to represent their ancestors and as a way to honor them. The statues are believed to have been constructed to protect the island and its inhabitants. They also serve as a connection to the spiritual beliefs and cultural practices of the Rapa Nui people. The mystery surrounding how the statues were transported and erected adds to their significance and intrigue.