Darrell and the team discuss how to extract the anchor from the ocean floor without damaging it. No small feat for an artifact that could weigh thousands of pounds.

In order to verify the artifact, a 150 foot barge with a crane on the deck is brought in to hoist the 500 year old anchor out of the ocean.

The divers prepare the anchor for extraction. Every detail is meticulously recorded, because one examination is complete, the team must put it back exactly how they found it.

Darrell visits the Maya ruins of Chichen Itza to reconnect with the spirit of Gordon Cooper who once climbed the pyramids. Unsure of where to go next, Darrell hopes for a clue.

Darrell travels to one of the most important buildings in Spanish history. He talks to the archivist about locating records of the Spanish fleet to HIspanola. Will this document be the key to Cooper’s treasure?

The crew drops anchor on a promising position and sets up to excavate. The search is getting warmer.

Armed with Gordon Cooper’s Faith 7 audio recordings, Darrell has a breakthrough in his quest to unlock the map.

Could Gordon Cooper have had a secondary mission while orbiting the Earth in the Faith 7 spacecraft? Darrell interviews NASA Flight Director Gene Kranz for the answer.

Ready for a big treasure hunt, the crew loads the ship up with magnetometers, sonar, 3D equipment, underwater cameras, scuba gear, and more.

Darrell meets with shipwreck recovery specialist Eric Schmitt. Will Darrell convince Eric to join his team, and more importantly can he be trusted?

Gordon Cooper had an extraordinary career as one of the first astronauts. Not only did he set records, break boundaries, and advance space travel, Cooper discovered something incredible.

Darrell examines one of Gordon Cooper's hand drawn maps that shows 11 wreck sites. But where are they?

Most of the star chart targets lie in shallow water, but the crew identifies something peculiar right on a ledge leading into deep water. With no room for mistakes, it is a dangerous decision for Darrell.

The magnetometer indicates a line of hits, but unless divers explore the area with metal detectors, no one can know for certain what’s on the bottom of the ocean floor.

The divers prepare the anchor for extraction. Every detail is meticulously recorded, because one examination is complete, the team must put it back exactly how they found it.

The Gulf of Maine is changing - with the Atlantic cod population at a historic low, New England fishermen have been forced to sell their boats and consider other lines of work.

Sam Sanfilippo was once part of a booming cod fishing industry in Gloucester, Massachusetts. Today, government regulations put in place to try and maintain cod populations have forced many fishermen out of business.

With many of the world's fish populations dwindling, we need to support sustainable fisheries more than ever. Here are four ways you can help.

With the cod population dwindling in the Gulf of Maine, locals are being encouraged to give other, more sustainable seafood a try.

In this exclusive interview, Emmy-winning actor Jim Parsons ("The Big Bang Theory") explains why he wanted to provide the narration for Discovery series First In Human.

The National Institute of Health's Building 10 was established by President Truman in 1951. He envisioned a place where doctors would have the time and resources to find cures for some of the world's biggest medical mysteries.

Job Syndrome is one of the rarest diseases in the world, for which there is no cure. For patients like Lucy Wiese, a first in human trial at Building 10 represents hope.

Dr. Terry Fry is a research oncologist at NIH's Building 10. He leads a first in human trial that looks to cure leukemia patients whose cancer has resisted all other treatments.

The doctors of Building 10 administer clinical trials decades in the making. But they claim it's the patients who are the real heroes in this scenario.

For patients like Lucy, a transplant could be both life-saving and life-threatening.

Restaurants dispose of 250 million gallons of used cooking oil each year. For entrepreneurs like Donnie Tipton, one man's trash is truly another man's treasure.

Business owner Jim Eberle explains the process of transforming used cooking oil into biodiesel, which can be used as a renewable replacement for diesel fuel.

How can you detect a guy with Gold Fever? Can it be cured? Come on down to Steve's World for an acoustic take on Gold Mining 101.

In Steve's World, the golden rules for life are short, but not necessarily sweet!

Have some fun with a few of our favorite Bering Sea Gold outtakes!