Excavations at the World Trade Center site hit a snag Tuesday when workers stumbled on the remnants of an 18-century ship. Construction halted as evenly spaced wood timbers emerged from the thick muck nearly 30 feet below street level. Archaeologists called in to examine the vessel hurriedly worked to document the incredible find as the ship began deteriorating as soon as air hit the fragile wood beams. The origin of the ship remains a mystery, but a 1797 map shows that the WTC site is near wharf that once fed into the Hudson River.

Full story and photos at the New York Times.

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