https://www.outsideonline.com/2076221/top-10-most-mysterious-shipwrecks-all-time#slide-11
https://www.channel4.com/news/the-greatest-undiscovered-shipwrecks
http://flavorwire.com/435374/10-incredibly-haunting-tales-of-real-life-ghost-ships
http://www.history.com/news/history-lists/6-famous-shipwrecks-still-waiting-to-be-discovered
http://greatlakesexploration.org/expedition.htm
https://en.wikipedia.org/wiki/Ourang_Medan
https://en.wikipedia.org/wiki/MV_Joyita
http://unsolvedmysteries.wikia.com/wiki/The_Crew_of_the_Sara_Jo
https://en.wikipedia.org/wiki/SS_Waratah
http://www.shipwreckmuseum.com/underwater-research/cyprus/
http://www.ancient-origins.net/artifacts-ancient-technology/undersea-mystery-accidental-discovery-ghost-ship-baltic-sea-005992
http://www.express.co.uk/news/weird/417642/Mysterious-200-year-old-shipwrecks-discovered-4-360-feet-under-the-ocean