Archaeologists make a shocking discovery when the perfectly preserved remains of three children are unearthed from the frozen mountains of Argentina; experts investigate the bizarre circumstances behind this grisly scene.
 

A temple to Pluto, the Roman god of the underworld, was the site of ritual sacrifice and a gate to the underworld, but buried because of the belief it was cursed; experts use cutting-edge forensics to reveal what actually happened in the Ploutonion at Hierapolis in modern Turkey.

In an abandoned Maya city, an archaeologist discovers the tomb of a mysterious red skeleton decorated in jade and pearl treasures; experts use cutting-edge tech to reveal who this person was and why they were buried so.

When experts discover a 500-year-old grave, they find mysterious red skulls, pointing to a shocking mass sacrifice; experts use the latest technology and state-of-the-art forensics to investigate what happened at this horrific sight.

A mass grave of mutilated skeletons is unearthed at the frontier of the Roman Empire. Exerts use advanced digital analysis to reveal the mystery behind these grisly remains. 

Archeologists make a bone-chilling discovery when they unearth 20 mutilated skeletons in Mexico; investigators use advanced forensic analysis to examine the bizarre burial and reveal an ancient case of Mayan mass murder.

A gruesome archaeological discovery leads to a shocking excavation that uncovers ancient human carnage on a scale that's unparalleled; experts use 3-D bone modeling to reveal evidence of what may be the first catastrophic, major war in human history.

Archaeologists excavating a historic Chilean site make a chilling discovery and find decapitated human skulls separate from a nearby burial site; experts use advanced cranial forensics to reveal what really happened to these ancient, butchered victims.

A team of explorers discover a forbidding cave system riddled with ancient markings that seem to contain a mysterious meaning; using advanced photogrammetry, experts finally decode these cryptic scrawls to expose a dark chapter of English history.

Experts use cutting-edge tech to reveal the hidden logic behind the cryptic locations of the ancient Moai statues of Easter Island.