Is the legend of Dungeon Rock's buried treasure real? Maybe not — but the bodies left behind are.

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

In 1983, a teenage girl from Vatican City went missing without a trace. What followed was a web of terrorist threats, secret tapes, and backroom deals — leading all the way to the Pope himself.

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

In 1973, eight Americans set out to scale one of the tallest peaks in the world. Only six of them came back. Decades later, a frozen camera is recovered from the ice — and reignites one of mountaineering’s darkest mysteries.

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

In 1987, the grieving family of a murdered woman turn to a psychic for help solving the case. Police are skeptical… until the psychic’s visions illuminate new evidence that no one else could have possibly known.

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

She was stuffed inside a tree and left to die. No name. No explanation. Then the graffiti appeared: “Who put Bella in the Wych Elm?” A chilling mystery was born — one that has haunted England for 80 years.

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

In 1954, the brutally-decapitated body of Mary Grimes is found on the railroad tracks outside Xenia, Ohio. Then a bizarre rumor begins to swirl: Mary might secretly be alive. But if that’s true… who was the woman on the tracks?

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Whatever haunted North London’s Highgate Cemetery in 1970 was real enough to spark public hysteria — and a bitter lifelong feud between two real-life vampire hunters.

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

In 1983, eight-year-old Nicole Morin got in an elevator — and was never seen again. The investigation would become one of the largest in Toronto’s history… but did Nicole even want to be found?

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

The disappearance of Kurt Sova should have been an open-and-shut case. But the deeper you look, the stranger it gets: a mysterious van, a dirty cop, and a prediction that eerily comes true. What really happened that night in 1981?

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

When a mummy is discovered in Pakistan, the entire world takes notice. But archaeologists soon realize they haven't unearthed an ancient mummified princess... they've unearthed a murder case.

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.