This

Reason #1-9 I want to get SCUBA certified:
http://www.telegraph.co.uk/earth/earthpicturegalleries/7137251/Pictures-Manta-rays-swim-with-divers-off-the-coast-of-Mexico.html

Reason #10 is so that I can act out that scene in "The Little Mermaid" where Ariel is exploring the shipwreck. Minus the shark attack of course. But definitely with a big fat cowardly fish.