TV Guide Travel Channel Sunday

A woman plans to care for her ailing mother in her Tennessee home, but she seeks the help of Zak and his team with the sinister presence in the house.

The team finds a startling connection between an elderly man's rural Oklahoma residence and an old burial mound.

The team visits Wappingers Falls, N.Y. to investigate claims that a dark presence is attacking a man in his girlfriend's historic home.

The crew visits a farm in northern California to investigate disturbing stories of disembodied voices, strange shadows and violent ghostly attacks.

A secret government facility located in Alaska may hide an otherworldly pyramid; wildlife living in the Alaska Triangle acts aggressively.

The residents of a remote Prince of Wales Island contend with a frightening Sasquatch colony; people wonder if aliens are working with the U.S. military.

A sonar recording is analyzed to determine if a prehistoric monster resides in the seas surrounding Kodiak Island; experts examine an airplane mystery.

A ghost hunter visits Skagway, Alaska, to search for spirits from the gold rush; mysterious disappearances in the Alaska Triangle are examined.

During a paranormal investigation at an old fairground near Fairbanks, dark forces emerge and cause trouble; hundreds of Alaskans go missing every year.

Ghost hunters visit an abandoned gold mine and attempt to contact the dead; residents wonder if a legendary yeti lives in the Alaskan mountains.

Strange lights and objects are observed in the Alaskan skies, which suggests that extraterrestrial visitors are looking to land on Earth.

Dangerous Sasquatches target Alaska's major cities as they leave the wilderness behind; a paranormal investigator visits a haunted hotel to search for ghosts.

Information is shared about an underwater alien base; a close look is taken at a cannibalistic creature that preys upon those in the Alaska Triangle.

Strange sounds from above could signal the impending apocalypse; drivers along Alaska's highways encounter ghostly hitchhikers and headlights.

A couple learns they're sharing their hotel room with a ghost; a strange formation floats over a Philadelphia neighborhood; a creature washes up on a beach.

Friends track down a Bigfoot in the mountains; a skeptic is attacked by a spirit at a haunted fort in England; ghostly passengers appear in a Hong Kong airport.

A Pennsylvania family is terrorized by a shadowy entity; a Bigfoot appears in front of a large group in Oregon; two UFOs put on a show above Bath, England.

A ghostly prankster torments the staff at a grocery store; a UFO flies across an airport runway in Puerto Rico; a child-snatching cryptid is spotted in Bolivia.

A UFO crashes at a family gathering in Louisiana; a mutated being terrifies hikers camping out for the night; a woman encounters Bigfoot's angrier cousin.

A figure walks across a Pennsylvania woman's front lawn; a haunted doll gets physical with its visitors in England; animals are frozen in time around the world.

A Texas man gazes at the stars while on a camping trip and discovers a strange light in the sky; a streetlight in Arkansas emits a mysterious glow.

An elk hunter in Canada spots two Bigfoot creatures tracking their prey; a man drives down a dark road late at night and observes a strange shadowy figure.

A UFO crashes at a family gathering in Louisiana; a mutated being terrifies hikers camping out for the night; a woman encounters Bigfoot's angrier cousin.

A figure walks across a Pennsylvania woman's front lawn; a haunted doll gets physical with its visitors in England; animals are frozen in time around the world.

A Texas man gazes at the stars while on a camping trip and discovers a strange light in the sky; a streetlight in Arkansas emits a mysterious glow.

An elk hunter in Canada spots two Bigfoot creatures tracking their prey; a man drives down a dark road late at night and observes a strange shadowy figure.