35 Best Kept Secrets: Uncovering the Hidden Gems of the World

Red cell was a team of ex-navy seals tasked to take over military bases, kidnap and take hostage VIPs, steal top secret info, and even infiltrate Air Force One in order to expose security flaws.

27. The Original Illuminati was an Enlightenment-era secret society in Bavaria created on May 1st, 1776. The society's goals were to oppose superstition, prejudice, religious influence over public life and abuses of state power, and to support women's education and gender equality.

28. A 16-year-old cancer patient Kevin Cordasco was offered to read the final script of Breaking Bad but turned it down, thinking he wouldn't be able to keep it secret. He died before the finale aired.

29. Guatemalans were deliberately infected with STDs between 1945 & 1956 through US government programme. They were kept secret until discovered in 2010 by a college professor. The programme published no findings, did not inform those who were infected nor did it provide them with follow-up medical care.

30. There is a secret room behind Mount Rushmore designed to store US treasured documents.

Stranger Things was allegedly based on Project Montauk, a supposed secret government program involving the kidnapping of children for use in mind control experiments.

32. In 1915, San Diego hired a "rainmaker" (Charles Hatfield), who used a secret mix of chemicals to "attract rain" for $10,000, payable if he filled their reservoir. It rained for most of January, destroying bridges, dams, and causing 20 deaths.

33. The first known Easter egg in a video game was a secret room in Atari Adventure (1979) that credited the game's developer, Warren Robinett. Atari did not allow their developers to be credited at the time so Robinett added the feature, told no one, and quit before anything could be done about it.

34. In order to keep the project a secret, the British army used the innocuous name "mobile water carriers" for a motorized weapons project which is the reason we call them "tanks".

35. A group of American journalists formed a secret society, 'The Order of the Occult Hand' whose only goal is to slip the meaningless phrase "It was as if an occult hand had…" past editors and into published articles.