1. Boy in the Box

A 4-to-6 year old boy’s naked, battered body was found in a cardboard box in Philadelphia in February 1957. His identity still hasn’t been confirmed, and the case is still open.

2. D. B. Cooper

Known as “the only unsolved air piracy in American aviation history,” D. B. Cooper is the name given to a man who hijacked a plane mid-flight in Oregon on November 24, 1971, extorted ransom, and parachuted away — never to be identified. Many have made connections between him and Don Draper from Mad Men.

3. Hinterkaifeck Farmstead Murders

One evening in March 1922, six inhabitants of Hinterkaifeck farm in Germany were brutally murdered with a mattock. Over 90 years later, the mystery remains unsolved.

4. Incidents At Disneyland Resort

Though Disney deals with lawsuits every year, this list gets specific — including multiple horrible deaths of children getting their bodies dragged by rides.

5. Iroquois Theater Fire

Around 600 people died in a horrifying Chicago theater fire in 1903, named the deadliest theater fire in history. The worst part? A fire captain visited a few days prior, noting the building was ill-equipped with supplies to put out a fire.

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