A U.S. entrepreneur takes tropical tourists down deep - in an uninsured submarine he built himself. Photographs by Chris M. Rogers.

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Fathoms below
The Idabel drops as low as 2,000 feet in its sightseeing quest for giant lobsters, fluorescent squid, grinning anglerfish - and sharks.

NEXT: Shark spotting
LAST UPDATE: Oct 21 2008 | 10:30 AM ET
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