I'm an avid scuba diver. Ever the domain of the wealthy, scuba diving required both access to the ocean and a shite ton of money for travel & equipment. Not really having any of it, this awesome hobby just kinda passed me by.
Manta Ray leaping 9 feet in the air off the coast of Costa Rica, Central America // photo by Roland Seitre Solent. 2010 -- click photo for article; "Natural Selection" is a great book about rays developing the ability to fly.