Inventurers: Edward Leedskalnin

A trip through the mystical Coral Castle and the big question - did some regular, unschooled man during the first part of 20th century in Florida seriously discover the secret of levitation and understand the principles by which the Pyramids were built? Or was the Coral Castle, which became the inspiration for Billy Idol's "Sweet Sixteen", created merely as a commemoration for a lost love?