Walter Wick spent up to three weeks painstakingly crafting and photographing each scene for the I Spy books, which became a worldwide phenomenon in the 1990s.

After running off with an older man named Jerry Strickland in 1986, Missy Munday was located when an episode of "Unsolved Mysteries" publicized the story of Munday and Strickland — and their suspected involvement in a murder.

During the last decade of Elvis Presley's life, he became increasingly dependent on his doctor George "Dr. Nick" Nichopoulos — who supplied the King with thousands of prescriptions.

In 1978, Billy Milligan became the first person to successfully use multiple personality disorder as a legal defense, though the debate surrounding his condition turned the case into a hotly-debated spectacle.

Known as the "Galveston Giant," Jack Johnson made history as the first African American to hold the world heavyweight boxing championship.

Built in 1953 as a hunting lodge, the "world's loneliest house" is located on an island five miles south of Iceland that's inhabited only by puffins.

Lisa "Left Eye" Lopes was the heart of TLC and one of the top rappers of the 1990s before she was tragically killed in a car crash in Honduras.

In 2014, the families of Robert Haney and Stephen Delicino were horrified when investigators searching Susan Monica's farm discovered the two men's partial remains on the property.

Ashley Ellerin spoke with Ashton Kutcher on the phone mere minutes before her neighbor Michael Gargiulo stabbed her 47 times inside her Hollywood home on February 21, 2001.

Tracy Edwards was 32 years old when he went home with Jeffrey Dahmer one night in 1991 and nearly became the serial killer's 18th victim. His life was never the same after.