In 2017 Adam Ellis captured the image of a ghost child in his New York City apartment. In a state of fear and confusion, he documented his haunting on social media under the hashtag DearDavid. Fourteen-million people feverishly followed his terrifying experience in real time. Now Adam and two of his friends -- Jen Lewis and Paul Bradford -- are on a mission to help others understand and escape their own paranormal nightmares. In assisting others Adam hopes what he learns from his hands-on investigations will lead to a deeper understanding of his own infamous haunting.

Don Wildman unearths relics from the world's greatest institutions to reveal secrets from the past. He examines each artifact to illuminate history's most incredible triumphs, sensational crimes and bizarre encounters.

Two million hotel rooms are occupied every night in America, so it's no wonder that some of the most captivating tales from America's history have occurred in hotels. Join us as we explore these secrets and legends.

Travel Channel takes you behind the gates of the world's most impressive castles, manor houses and mansions to discover the remarkable, mysterious and bizarre tales tied to the rich and powerful who once resided there.

Don Wildman investigates the world's most impressive -- and sometimes obscure -- structures, statues and national parks to uncover the incredible tales hidden in their history.

From ghostly encounters and UFO sightings to bizarre creatures and unexplained deaths, the greatest mysteries of North America's vast wilderness are revealed.

For the first time in history, an elite team of investigators use an advanced data algorithm to analyze five decades of Bigfoot sightings to pinpoint when and where to encounter the elusive beast. Armed with the results and state-of-the-art technology, they journey deep into the unforgiving Oregon wilderness to prove once and for all that Bigfoot is real.

Reporter Nick Watt explores the world to answer burning questions: Are the French really rude? Is Albania the black sheep of Europe? Using his wit and curiosity, he'll give us a point of view that is surprising and entertaining.

Witnesses share their stories of close encounters with the unknown, all under the scrutiny of a top microexpressions expert. From monsters and UFOs to paranormal phenomena, the country's most frightening tales are revealed.

Insight into humanity's contact with extraterrestrials is revealed through eyewitness accounts, historical evidence and recently declassified documents.

Actress Megan Fox embarks on an epic international journey to investigate the most enduring mysteries of the ancient world.

Don Wildman combs through the vaults of the world's most prestigious institutions to unearth extraordinary artifacts with captivating, revealing and shocking mysteries that challenge our beliefs and defy expectations.

Scientist Rob Nelson investigates the strangest underground locations in the world, using the latest technology and research to shed new light on the secrets that lie just beneath our feet.

Archaeologist Scotty Moore journeys to the farthest reaches of the Earth to study carefully preserved mummies and skeletons. He uses these long-hidden remains to unravel mysteries of the ancient world and reveal the truth behind legends.

Investigative journalist Christof Putzel uses recently declassified documents to chase down new leads and clues into some of history's most notorious cold cases.

Join the frightening hunt for the truth behind an infamous monsters that brings its legend to all-too-real life. Featuring new information. The latest evidence. Active investigations. Riveting eyewitness accounts of encounters with these nightmarish beasts.