Photo of the Day

Sunken Treasures

A boatswain's whistle, attached to a five-and-a-half-foot gold chain, was among the incredible treasures recovered from the Santa Margarita. The recovery of the ship, which sank off the Florida Keys in 1622, was documented in the February 1982 issue of National Geographic.

Photograph by Don Kincaid, Nat Geo Image Collecton