Also nearby is its water-park sister, Aquatica, and the worlds-away Discovery Cove, where a limited number of guests enjoy a day of lounging on a private beach, swimming with the dolphins and floating along the lazy river through the bird aviary.

BBC: Lonely Planet's top five day trips from Miami

Brian figured that if he could solve the technology and logistics problems required to anchor a fish farm 10 or 20 miles offshore, where swift currents carry away and disperse the waste produced by concentrated fish stocks, it would allow the farmed fish to swim in the same fresh water as their wild cousins-the best of both worlds.

FORBES: Regulatory Uncertainty Drives A Fish Farmer To Foreign Waters

As water-based materials are better at stopping radiation than metal, the approach theoretically represents the best of all worlds with less bulk, a simpler life support system and maximum room for supplies.

ENGADGET