There are millions of shipwrecks on the ocean floor, but not all are valuable. Kasey-Dee Gardner finds out how to determine a ship's value when it can't be seen.
Numismatist (coin expert) David W. Lange discusses the silver coins found at the Black Swan site. Like similar gold coins, they reveal the surprisingly unattractive faces of former Spainish monarchs.
Is deep-sea shipwreck exploration a quick way to get rich? How are valuable finds kept a secret? Discovery Channel's Kasey-Dee Gardner gets the answers to these questions and more.
Items recovered from ancient shipwrecks usually haven't seen the light of day in hundreds or even thousands of years. Discovery Channel's Kasey-Dee Gardner finds out how these artifacts are preserved.
The deep-sea shipwreck salvaging business is a fairly new and highly profitable industry. Kasey-Dee Gardner sits down with the industry leader and finds out how they're able to find so much treasure.
Zeus is a multi-million dollar machine equipped with HD cameras and special manipulator arms with extraordinary dexterity. Today they're catching crabs.
Off the coast of Antarctica undersea vents provide a hot spring sanctuary supporting new species. Oxford University shares their video of these never-before-seen underwater animals.
As many as 15 different species of undersea worms that eat the bones of whales and other large, dead animals may reside in Monterey Bay in California, new research finds. Jorge Ribas takes a closer look at these mysterious boneworms.
Nick Isles heads back to New Zealand's South Island, to explore on a massive scale the process of land creation and destruction caused by glacial and plate tectonic activity.
Nick Isles heads back to New Zealand's South Island, to explore on a massive scale the process of land creation and destruction caused by glacial and plate tectonic activity.
On the Discovery Channel's "Egypt's Ten Greatest Discoveries," learn about the unfinished obelisk at the ancient quarry of Aswan. Obelisk's were monuments that were seen as a symbol of connection between the king and the sun god.