The link below is to a fascinating article on an island marked on maps of the Pacific Ocean called Sandy island, which in fact does not exist.
For more visit:
http://www.npr.org/blogs/krulwich/2013/03/15/174203234/pacific-island-bigger-than-manhattan-vanishes
The following two videos show a documentary investigation into claims made by Gavin Menzies in his book, ‘1421 – The Year China Discovered America.’ The book itself is a fascinating read and puts forward an interesting theory which seems to be fairly well contradicted by the evidence brought forth in the documentary. Though the theory cannot be completely rejected based on historical evidence, the evidence that does exist seems to disagree with the theory. Though this is the case there is much historical interest in the documentary, as it presents the story of Admiral Zheng He and the Chinese Treasure Fleet.
History for Today 