With the unsolved case of a missing kayaker at Lake Iliamna, many believe that the legendary Iliamna Lake Monster (or "Ilie") is the culprit. In this huge body of water, a reclusive creature has plenty of room to hide.

Sixty years ago, the residents of an entire Alaskan village disappeared without a trace. A passing fisherman witnessed a massive, ferocious white bear, reminiscent of a northern legend, the Bear God called Torngarsuk.

A jogger vanishes from the top of Mt. Marathon in Alaska and a witness describes seeing a monstrous, airplane-sized raptor around the time of the disappearance. Could ancient stories of the Thunderbird be true?

Tlingit folklore depicts a creature that's half-otter, half-man, who steals the souls of its victims; a team uses eyewitness accounts and their own stakeout to investigate whether this creature is merely a myth.

A Canadian warrior tribe at one time terrorized the Nahanni valley, decapitating their enemies with scythes; the tribe has vanished years ago, but may have resurfaced; a team investigates the mystery.

Recent sightings around Alaska match native stories of a vicious Arctic mermaid that attacks unsuspecting people. With only five percent of the world's oceans explored, new marine species are being discovered.

Primate sightings in the Alaskan woods have the team baffled, since experts claim that monkeys have never lived in Alaska; missing person reports in the area, reported cries from the trees, and sightings of what look like oversized monkeys

A monstrous beast is spotted in the woods of Alaska, in the same area as countless missing person reports. Those who have survived its attacks describe bear-like claws on a towering, wolf-like beast.

Sightings of small human-like figures have coincided with missing persons reports within the Alaska Triangle. Could there be a tribe of vicious, carnivorous gnomes roaming the state's untamed interior?

The team investigates a top secret government facility known as HAARP; an electromagnetic generator could be driving people to disappear in the Alaska Triangle.

A mountain climber goes missing near Mt. Hayes, where UFO sightings are rampant. Our team of investigators head into alien territory and risk close encounters to find answers about his mysterious disappearance. Using eyewitness and expert testimonials, the team searches for evidence of potential extraterrestrial abductions in the Alaska Triangle.

Tales of Bigfoot sightings are reported globally but the Alaskan version is the most extreme, standing over 14 feet. Is this massive, aggressive creature targeting people in the Alaska Triangle? Cryptozoologist Ken Gerhard and team try to track down the beast, hoping to learn how this monster remains so elusive.

In 1950, a military transport plane disappears in the Alaska Triangle with 44 people on board; this episode examines the possibility that a space-time vortex could have transported the plane to another dimension.