Echoes of the Unknown

In today's episode, we're traveling to Germany in 1984 to examine one of the most perplexing mysteries in modern German history. It began with a food technician's cryptic handwritten message, and ended with a series of...

In today's episode, we're traveling to Oak Island, off the coast of Nova Scotia. For more than 230 years, treasure hunters have been drawn there by rumors of a vast hidden fortune buried deep beneath the earth. They've...

In today's episode, we're traveling to Adelaide, Australia, where, on a warm summer day in 1966, three young siblings left home for what should have been an ordinary trip to the beach — and simply vanished. Their...

In today's episode, we're traveling to Midlothian, Texas, in 2016, where a popular fitness instructor arrived to prepare for one of her regular exercise classes. Within minutes, she was the victim of a brutal murder...

In today's episode, we're traveling to the town of Oakville, Washington, where an ordinary summer morning in 1994 gave way to one of the strangest unexplained events ever reported. During what residents believed was...

In today's episode, we're traveling to Fort Worth, Texas, just a couple of days before Christmas in 1974. Three girls left home for what should have been an ordinary afternoon of holiday shopping. They never returned...

In today's episode, we’re traveling to Texarkana in the spring of 1946, where a series of brutal nighttime attacks transformed a thriving community into a place consumed by fear. Over the course of ten weeks, an...

In today's episode, we're traveling to a lonely stretch of highway in southeastern Texas. On a December night in 1980, three ordinary people encountered a strange object hovering above the road. They would later...

In today's episode, we’re telling the story of a remarkable young writer whose future once seemed limitless. At the age of 12, Barbara Newhall Follett had created her own imaginary world and written a novel that...

In today's episode, we're traveling to the Grand Canyon, where in 1928 a young newlywed couple embarked on the honeymoon of a lifetime. They hoped to make history by conquering one of America's most dangerous rivers...

In today's episode, we're traveling to one of the most remote mountain ranges in Siberia. In 1993, seven experienced hikers entered the Khamar-Daban wilderness expecting a challenging but carefully planned expedition...

In today's episode, we're traveling to Kenilworth, Illinois, where a brutal murder shattered the illusion that privilege and prominence could guarantee safety. In 1966, inside an elegant mansion, the daughter of a U.S...

In today's episode, we're traveling deep into the mist-covered mountains of Malaysia to examine one of the twentieth century's most baffling disappearances. In 1967, a man known around the world as the "Thai Silk King"...

In today's episode, we’re traveling to Las Cruces, New Mexico, where an ordinary day in 1990 at a bowling alley turned into one of the most horrifying unsolved crimes in U.S. history. For four terrifying hours...

In today's episode, we’re traveling to Dutch New Guinea in 1961, where Michael Rockefeller — heir to one of America’s most powerful families — disappeared under haunting circumstances. His small catamaran overturned off...