Shipwrecks

One of the two lost ships of the legendary Franklin Expedition to the Canadian Arctic has finally been found.

Tree rings in the waterlogged ribs of a sunken ship found at the World Trade Center site revealed that the vessel was likely built in 1773, or soon after, in a small shipyard around Philadelphia.

From shipwrecks to an upright dining table to a dead giraffe, a cornucopia of strange objects have been discovered in the shadowy depths of New York City's waterways.

A diving mission to explore the Antikythera shipwreck is scheduled for September, 2014.

The U.S. Navy, in partnership with the Indonesian Navy, is planning to dive to the sunken USS Houston, a World War II-era shipwreck, later this month, according to Navy officials.

The Civil War-era ship the Planter sank in 1876. The ship's history includes being piloted out of Charleston Harbor by a crew of enslaved African-Americans.

Fallen logs and wooden remnants of old shipwrecks promote hotspots of life in the otherwise empty deep seafloor.

In 1857, a steamship loaded with 30,000 pounds of gold sunk off the coast of South Carolina. An ocean exploration company is planning to recover the sunken treasure.

Watch live as a remotely operated vehicle explores debris and artifacts from one of the three mysterious shipwrecks in the Gulf of Mexico.

Photos of mysterious 19th century shipwrecks in the Gulf of Mexico.