The Kings Creek Walk is an easy trail following the rocky creek bed to a raised platform with views of the towering canyon rim.

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Once a light station that marked the shoals off the coast of Southport, North Carolina, for ships, the two-story Frying Pan Shoals Light Station now houses a bed-and-breakfast perched on a platform 32 miles off the coast of Cape Fear.

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But the equipment needed to operate each well is too heavy to put on a floating platform, so it has to be installed on the sea-bed and run and maintained by remote-controlled submarines.

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Last year Nokia's Stephen Elop flung his company off what he described as a burning platform, putting the Finnish giant's Symbian operating system out to grass to get into bed with Microsoft's Windows Phone.

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