Weeks of tension reach the boiling point among the miners as Eric and the Feldman's have a fight that may split the team forever.

Sixty Degree Resources' final hope may lie in the gold of Eqi; despite the success of Saqqaq, the seven miners are about to reach their tipping point, because Cloud Island is such a huge failure.

The jaws of the unforgiving arctic winter is preparing to overtake the miners of Sixty Degree Resources, giving them only 48 hours left to explore Greenland.

After Eric and Josh have an irreparable falling out, the miners have to choose sides; Team Josh heads into iceberg troubles as Team Eric sticks with the original plan.

Doug Stoup leads the miners in a last ditch effort to salvage what they can on Cloud Island; Eric's scientific methods are not producing results in Ilulissat.

The Sixty-Degree Resources team find themselves trapped, scattered and surrounded by ice after half of their equipment is destroyed when the sling drops on a dangerously remote island.

After being pushed beyond their limits in Saqqaq, the miners make two gold claims potentially worth millions; guard dog named Nuunu joins the team.

To find gold, Eric pushes himself and his team beyond their limits; they only have two days left to explore Saqqaq.

The team's least experienced mountaineer, Americo, follows Eric up a deadly 1200-foot slope to search for gold; Eric then leads the team on a mission so dangerous that production staff cannot follow.

Sixty Degree Resources splits into two groups and, with almost no sleep, sets out into Greenland's dangerous landscape for a recon mission; while one group faces falling boulders, the others trek into a glacial ice cave on the verge of collapse.

The miners begin their search for the ultimate treasure in Greenland's unexplored and unforgiving wilderness; half the team may have found a massive gold deposit while the rest of the team is stranded.

The team starts the season with devastating news when they learn that the $13 million ruby deposit it has been mining, the Red Zone, becomes restricted; Sixty Degree Resources eliminates a member of the team and adds Arctic adventurer Doug Stoup.

On the miner's final week, tempers, cursing and threats are flying as two miners face the possibility of being stranded in the Arctic for the winter, while 450 miles away an unstable glacier and landslides threaten the other miner's lives.

Time and patience is running out for the miners as Josh and Eric arrive in Eqi and Chad attempts to salvage his reputation after dropping the ball on the last dredge.

The miners must quickly execute phase two of their operation as the violent conditions of Greenland force them to leave their ruby deposit.

The Red Zone team is pulling out an amazing amount of rubies, but with bad weather and almost no food they must hurry to finish.

The team is divided with one half in the Red Zone finding huge rubies while the other half searches feverishly for gems in the river below.

The miners face major obstacles as they embark for the Red Zone, the rich ruby deposit they discovered last year.

Greenland's wild frontier causes big problems for the American miners who have their sights set on what could be the largest ruby deposit in the Arctic.

Sixty Degree Resources, a small American mining company, returns to Greenland.

The ICG crew invades Greenland to mine for gold, rubies and sapphires before the large mining companies arrive.

Although the state's mention in the title was dropped after the first season, Alaska still plays a major role in Discovery Channel's top-rated show. It follows gold miners, inexperienced as some may be, hoping to strike it rich in the wilds of The Last Frontier and beyond. For their first effort, a crew led by Todd Hoffman and his father, Jack, sunk $250,000 into their dream and came away with just $20,000 worth of gold. The dismal summer was filled with injuries, malfunctioning equipment and constant fighting among the greenhorn miners, yet their serious case of gold fever trumps any talk of giving up and leads to new operating plans in order to salvage their dream. The series also keeps tabs on the efforts of brash youngster Parker Schnabel, veteran Dakota Fred and longtime Yukon resident Tony Beets to hit the mother lode at separate sites.

Greenhorn gold miners George Wright and Scott Lomu put everything on the line -- their lives included -- to hit pay dirt in the gold-rich and danger-filled jungles of Ghana. It's Africa's second largest gold-producing country, so finding the precious metal isn't the hard part. That would be exporting it, as Wright and Lomu have to mine through such obstacles as armed locals and illegal miners to get the gold home. The partners need to make at least $150,000, the amount they borrowed to cure their gold fever brought on when each took a financial bath in the 2008 real estate market crash.

The gold rush in Alaska isn't confined to the state's precious ground. It's taking place on the sea ... or more accurately, on the bottom of the frigid Bering Sea. This series, from the creators of the Emmy-winning "Deadliest Catch," follows four gold dredges and their eccentric and driven crews who risk their lives to find as much gold as possible before winter sets in and it's too dangerous to dive. The custom-built rigs, some barely seaworthy, include an 80-foot barge run by the most successful gold dredger in Nome, Alaska, and a modified skiff that seats only two people.

Back to the beautiful state of Alaska for another reality-documentary series, this one set in the Arctic National Wildlife Refuge, a protected area home to thousands of native animals... and a handful of people. In 1980, the U.S. government banned human occupation in the refuge, and only residents in seven permitted cabins are allowed to remain. The series depicts the daily rituals of four families living in isolation and contending with bitter weather, frustrating setbacks, and aggressive wildlife in an unspoiled and unforgiving wilderness. The nonconformists include Heimo Korth, the "godfather of the final frontier," and wife Edna; Bob Harte, who has spent 40 years living by his own rules; and young couple Bob and Ashley Selden, who admit that they've survived by trial and error, learning day by day the harsh reality of frontier living.

"Yukon Gold" follows four gold-mining crews who have merely four months in Canada's wild Yukon to earn a big payday. Fighting an impossibly short mining season and with their savings on the line, they work against difficulties to dig the precious ore out of the ground. The crews battle mechanical breakdowns, the elements and 18-hour days under the midnight sun -- all because of gold fever -- and it keeps them coming back year after year for another chance to wager it all.

People who know and work with Pete Nelson describe him as a tree whisperer. For his part, Nelson lets the trees do the talking. He's a world-renowned treehouse designer and builder, and this series documents the work he and his team of craftsmen -- including his son Charlie -- do to create incredible homes and businesses in nature's canopy. Pete uses a combination of science and art to realize clients' sky-high aspirations of magnificent multibedroom treehouses with elaborate kitchens and bathrooms, or simpler, peaceful one-room escapes. "We awaken that inner child who dreams of living among the trees," Pete says. One-of-a-kind above-ground spaces featured in the series include a spa retreat, a brewery, a honeymoon suite, an Irish-themed cottage, and an 800-square-foot Texas treehouse with a full bath and flat-screen TV.

The survivalists living on Great Slave Lake in Canada's Northwest Territories say it's not man that threatens their existence, it's woman: Mother Nature. "Ice Lake Rebels" follows a handful of residents who willingly face food shortages, dangerous terrain and deadly weather conditions for off-the-grid freedom. Because they reside in floating homes or houseboats and not on land, the denizens of Great Slave Lake are not subjected to taxation and the rule of law. However, their frozen utopia isn't always what it's cracked up to be, especially when the ice begins to thaw beneath their homes. The unpredictable conditions mean competition is fierce for the lake's most secure locations and for its scarce supplies.

Ten of the world's top anglers compete in a series of unusual fishing challenges.

According to a legend that dates back to the 16th century, a cache of Incan gold worth hundreds of millions of dollars is hidden off the coast of southeastern Brazil. It's known as the "Treasure of the Trinity," and it's eluded all who have sought it for 500 years. But a modern-day team of explorers follows a radical new theory to uncover its whereabouts: a remote, treacherous island where thousands of deadly vipers roam. Cork Graham leads the expedition to Queimada Grande -- known to locals as Snake Island -- armed with advanced technology to unearth complex clues and decipher puzzles that have protected the treasure for centuries. This Discovery series takes viewers along on the epic journey to one of the most dangerous places on Earth.

Extreme survivalists go head to head in a race across the Alaska wild. Using ingenuity, experience and just the gear they can carry in their packs, the participants have 60 hours to reach the finish point of each leg of the adventure -- the series features 13 legs -- and in addition to navigating treacherous glaciated river valleys, barren ridgelines, and high mountain peaks, the challengers battle hunger, dangerous predators and unpredictable weather. There is no grand prize awaiting each leg's winner, other than the pride of accomplishing a grueling feat. For season three, the 12 competitors are divided equally into four teams -- Military, Endurance, Alaskans and Lower 48.