Hidden inside the world's castles and mansions are secrets waiting to be revealed. What remarkable tales of mystery and adventure transpired within their walls?

Former Colorado law enforcement officer Chuck Zukowski and his son Daniel investigate UFO-related cases that the authorities usually ignore. They search for definitive proof of UFOs along America’s infamous Alien Highway.

Former Colorado law enforcement officer Chuck Zukowski and his son Daniel investigate UFO-related cases that the authorities usually ignore. They search for definitive proof of UFOs along America’s infamous Alien Highway.

A team of hardcore hunters are at the ready to help local mountain communities rest more easily when night falls and nature comes out to play.

Jack takes Ozzy, Sharon and Kelly on their first ever paranormal investigation. He's secured a terrifying location - will they all make it out in one piece?

The Spirit Hunters are a team of paranormal experts. They specialise in rescuing the living from a repetitive type of haunting known as a "ghost loop".

On The Dead Files, physical medium Amy Allan and retired NYPD homicide detective Steve DiSchiavi combine their unique and often conflicting skills to solve unexplained paranormal phenomena in haunted locations across America.

On The Dead Files, physical medium Amy Allan and retired NYPD homicide detective Steve DiSchiavi combine their unique and often conflicting skills to solve unexplained paranormal phenomena in haunted locations across America.

Paranormal investigators Jack Osbourne and Katrina Weidman travel the world to explore the sinister locations associated with being gateways to the underworld.

Paranormal investigators Jack Osbourne and Katrina Weidman travel the world to explore the sinister locations associated with being gateways to the underworld.

Odyssey Marine Exploration aims to recover two shipwrecks worth over $1 billion, unraveling mysteries of riches, heroism, tragedies and rescues from dozens of undiscovered wrecks.

Former Colorado law enforcement officer Chuck Zukowski and his son Daniel investigate UFO-related cases that the authorities usually ignore. They search for definitive proof of UFOs along America’s infamous Alien Highway.