The Radio Tower was one of Lost's many intriguing mysteries since its initial mention early in season one. It played a role in the overarching Lost storyline, until being explored further in the Lost Experience, when its full purpose was revealed. It was stated that the purpose of the tower was to broadcast the core numerical values of the Valenzetti Equation. Although the purpose was revealed, many were still left in the dark about many aspects of its existence. The tower was finally seen and explored in "Through the Looking Glass, Part 1", as the transmission was finally shut off in an attempt to leave the Island. Learn more about the origins and the purpose of the tower... (Read More)