T+E

A long-forgotten network of Native American earthworks; a baffling battlefield mystery in Belgium; a mysterious blood-red lake on a remote Greek island; an eerie pink glow emulating from the middle of the Pacific Ocean.

U.S. Navy veteran turned private investigator Jennifer Marshall and paranormal researcher Heidi Hollis investigate a series of mysterious encounters with an unknown creature in the Bluegrass hills of Kentucky.

After tragedies and struggles, Coleman's family believes his addiction to drugs will kill him before he's able to see his daughter again.

When an infant's body washes up on the shores of Deer Island, Mass., residents rally to find out who she is, and what happened to her; their unprecedented solidarity gets nationwide attention, helping police solve a heartbreaking mystery.

Learn how influencer Mahek Bukhari and her mom, Ansreen, became the UK's first mother and daughter convicted of a double murder; see how the pair hatched a deadly plot when Hashim Ijazuddin tried to blackmail his much older ex-lover, Ansreen.

Look at photographer Sania Khan's viral TikTok posts that detail the lies and abuse she suffered at the hands of her ex-husband Raheel Ahmad; learn how he exacted his jealous revenge by ambushing his former wife on the day she planned to escape.

The coastal metropolis of Miami faces a triple threat of crumbling limestone bedrock, ferocious superstorms and relentless rising oceans.

Ancient tombs and their protectors hold secrets of lost civilizations and legends.

U.S. Navy veteran turned private investigator Jennifer Marshall and paranormal researcher Heidi Hollis investigate a series of mysterious encounters with an unknown creature in the Bluegrass hills of Kentucky.

With all the secrets, lies, greed, and infidelity, Ernie and Charlene Scherer's American-dream life was not exactly what it seemed like; a look into how the exposure of their dangerous double life led to one last fatal gamble.

Question whether Napoleon Bonaparte was poisoned in exile, then find out whose bones were buried underneath Benjamin Franklin's London home; analyze evidence that suggests that Grand Duchess Anastasia may have escaped the 1918 Romanov massacre.

A star lands in France, emitting solid beams of light; Belgian police officers follow a triangular craft that shoots out that are red balls of light.

Paid programming.

Stepping into the crosshairs in Bellaire, a village that sits on a focal point for paranormal energy; exploring the bloody history of warfare, mining disasters and mass casualties that make this town a haunted hot spot.

A booking mix-up sees Mike and Alison forced to host a last-minute children's party.

For the first time, Kelly and Steve investigate two missing persons cases at once, a loving mother and her high school friend who vanished just months apart.

The team tackles the twisted murder case of Rhonda Richardson, who went searching for her lost dog and was later found seemingly scalped by a sadistic killer; the biggest twist is a new piece of evidence that breaks the case wide open.

Kelly and Steve investigate the brutal homicide of a beloved seminary student who was brutally hung and stabbed to death in the chapel restroom; their investigation reveals even more dark secrets and sinister deeds.

In 2000, a young mother was abducted from a parking lot and executed in a nearby field; state-of-the-art DNA testing may provide the answer.

A hoard of golden coins is found in the prospecting district of California; a valuable find in an old piano in rural England.

Luton Police Station uses fixed rig and handheld cameras to provide insight into the day-to-day challenges faced by staff and officers.

Kelly and Tonya look into the murder of a hard-working mother who was stabbed and bludgeoned to death; the investigation uncovers a secret affair and a revelation as shocking as the murder itself.

Follows police investigators and forensic specialists across Australia as they battle the clock to find lost loved ones and bring them home.

Virginia Beach is a party town with a vibrant nightlife, making its Correctional Center one of the busiest city jails in the state; here, some inmates arrive to go on vacation, then leave on probation, and return on a violation.

Kelly and Tonya look into the murder of a hard-working mother who was stabbed and bludgeoned to death; the investigation uncovers a secret affair and a revelation as shocking as the murder itself.

Follows police investigators and forensic specialists across Australia as they battle the clock to find lost loved ones and bring them home.

Virginia Beach is a party town with a vibrant nightlife, making its Correctional Center one of the busiest city jails in the state; here, some inmates arrive to go on vacation, then leave on probation, and return on a violation.

Detective Constable Tim Lamb and his team test the strength of their case after a seasoned drug dealer floors them with a surprise confession; his tearful claim of coercion may be real or may be an elaborate ruse to evade justice.

Frank and Lu investigate death threats made against a former soap star.

A desert island survival course goes wrong when the leader, a trained survival expert and ex-SAS soldier, is found dead in the forest of a remote island near Saint Marie.

The team finds the remains of a second victim and must piece everything together to find the serial killer.

With all the secrets, lies, greed, and infidelity, Ernie and Charlene Scherer's American-dream life was not exactly what it seemed like; a look into how the exposure of their dangerous double life led to one last fatal gamble.

A Canadian farmer sees five identical bun-shaped objects; thousands report seeing a large triangular-shaped object for a 3-year period over New York's Hudson Valley.

A triangular craft beelines toward a husband and his pregnant wife; a disc-shaped craft emits a solid beam of light that releases a blast of flame.

Buccaneers who ran a South Carolina port in the golden age of piracy are summoned; the truth about a ghost ship and a creepy bedroom in the city's oldest tavern is uncovered; a spirit stalking one of the investigators is confronted.

Ancient tombs and their protectors hold secrets of lost civilizations and legends.

Stepping into the crosshairs in Bellaire, a village that sits on a focal point for paranormal energy; exploring the bloody history of warfare, mining disasters and mass casualties that make this town a haunted hot spot.

A look at why so many people see a vision of Jesus in seemingly normal things such as a tree stump or an antique cabinet.

Paid programming.

Ancient practices such as prayer, blood sports, voodoo and exorcism are often thought to be relics of bygone superstition, but there is evidence they have an impact on the physical world.

With all the secrets, lies, greed, and infidelity, Ernie and Charlene Scherer's American-dream life was not exactly what it seemed like; a look into how the exposure of their dangerous double life led to one last fatal gamble.

Follows police investigators and forensic specialists across Australia as they battle the clock to find lost loved ones and bring them home.

Kelly and Tonya look into the murder of a hard-working mother who was stabbed and bludgeoned to death; the investigation uncovers a secret affair and a revelation as shocking as the murder itself.

Rob and the boys take their pursuit of Bigfoot to the backwoods of Oklahoma, where locals refer to the mythical creature as the Wood Ape.

A hoard of golden coins is found in the prospecting district of California; a valuable find in an old piano in rural England.

Ancient practices such as prayer, blood sports, voodoo and exorcism are often thought to be relics of bygone superstition, but there is evidence they have an impact on the physical world.

New discoveries suggest that a sea beast like the Kraken could have existed, and experts examine a strange monster that could give shocking answers into this underwater mystery.

Rob and the boys take their pursuit of Bigfoot to the backwoods of Oklahoma, where locals refer to the mythical creature as the Wood Ape.

A Brazilian family may be living with an unwanted roommate; a man in Peru evades a feared vampiric creature; doorbell cameras are triggered by entities.

A booking mix-up sees Mike and Alison forced to host a last-minute children's party.

Ancient tombs and their protectors hold secrets of lost civilizations and legends.

A Brazilian family may be living with an unwanted roommate; a man in Peru evades a feared vampiric creature; doorbell cameras are triggered by entities.

A booking mix-up sees Mike and Alison forced to host a last-minute children's party.

A hoard of golden coins is found in the prospecting district of California; a valuable find in an old piano in rural England.

Rob and the boys take their pursuit of Bigfoot to the backwoods of Oklahoma, where locals refer to the mythical creature as the Wood Ape.

Ancient practices such as prayer, blood sports, voodoo and exorcism are often thought to be relics of bygone superstition, but there is evidence they have an impact on the physical world.

A hoard of golden coins is found in the prospecting district of California; a valuable find in an old piano in rural England.

A booking mix-up sees Mike and Alison forced to host a last-minute children's party.

Human remains are unearthed on Daksa island; flying objects are spotted above Maury Island; on Isle of Wight, remains of a previously unknown species of dinosaur are found; strange ritual artifacts are uncovered on Sweden's Blå Jungfrun Island.

Puzzling over history-making structures and artifacts; Searching for clues about civilization's origins in Göbekli Tepe, visiting a German statue that reveals symbolic thought; witnessing the brutality of colonization in a Mexican skull tower.

Dive into the historical and natural secrets of the deep; explore an uninhabited concrete island, ocean spirals off the Australian coast, underwater evidence of a violent past and tracks thousands of metres below the sea's surface.

In China, a burial site at Jiahu reveals a child's remains marked with peculiar modifications, raising questions about Chinese mortuary practices and more.

Scratching the surface of Edward Shin's existence and seeing how the sociopath hid under a squeaky-clean exterior before his business partner, Chris Smith, started to dig up the truth.

Katrina and Heather work on a case in which a Prohibition-era ghost haunts a bar.

Paid programming.

For the first time, Kelly and Steve investigate two missing persons cases at once, a loving mother and her high school friend who vanished just months apart.

The team tackles the twisted murder case of Rhonda Richardson, who went searching for her lost dog and was later found seemingly scalped by a sadistic killer; the biggest twist is a new piece of evidence that breaks the case wide open.

Kelly and Steve investigate the brutal homicide of a beloved seminary student who was brutally hung and stabbed to death in the chapel restroom; their investigation reveals even more dark secrets and sinister deeds.

In 2000, a young mother was abducted from a parking lot and executed in a nearby field; state-of-the-art DNA testing may provide the answer.

Kelly and Tonya investigate the mysterious disappearance of a mother who went missing after a Fourth of July celebration; an old tip on where her body might be buried takes a turn when cadaver dogs signal they've found something.

Reconstructing the details of Micki's final hours on her romance-rekindling cruise with ex Lonnie; seeing why his calm demeanor and quick escape raise red flags for investigators, who soon find a web of financing.

Uncovering signs of strangulation that implicate Lonnie after Micki's lifeless body washes up in Italy; following a trail of financial maneuvers Lonnie made ahead of the couple's deadly cruise.

A young mother of five is found shot to death in her home.

Learn how Dr. Lisa Tseng, a community doctor in Los Angeles, overprescribed pain medication to a host of young men and ended up with a life sentence for murder.

Kelly and Steve join the Searcy Police Department to untangle the mystery of a popular hairstylist, murdered on the night of her thirtieth birthday; is it an old flame, a new boyfriend or someone else entirely?

Luton Police Station uses fixed rig and handheld cameras to provide insight into the day-to-day challenges faced by staff and officers.

Kelly and Steve extend their stay in Illinois to help the Kankakee Police Department look into another mysterious case -- the unsolved homicide of a mother-to-be and her unborn child.

Kelly and Steve join the Searcy Police Department to untangle the mystery of a popular hairstylist, murdered on the night of her thirtieth birthday; is it an old flame, a new boyfriend or someone else entirely?

Luton Police Station uses fixed rig and handheld cameras to provide insight into the day-to-day challenges faced by staff and officers.