Mystery facts and facts about mysteries.
11 facts on this shelf
The story of 9/11 is a confusing one. One clear fact that officials continue to deny is the president's plane, also known as the doomsday plane because it is a flying command center in case of a nuclear event, was the mystery plane in the air on 9/11/2001.
The "52-hertz whale" is an unidentified whale that calls at an unusually high frequency other whales may not respond to, which earned it the nickname "the loneliest whale in the world."
In 1926, Agatha Christie disappeared for 11 days, sparking a massive search before she was found at a hotel.
Agatha Christie's "And Then There Were None" is the best-selling mystery novel of all time.
Edgar Allan Poe is considered the father of the detective story, starting with "The Murders in the Rue Morgue" in 1841.
For decades, a mysterious visitor called the "Poe Toaster" left cognac and roses at Edgar Allan Poe's grave on his birthday.
Edgar Allan Poe's death in Baltimore in 1849 remains a mystery.
The Edgar Awards for mystery writing are named after Edgar Allan Poe.
The Sun's outer atmosphere, the corona, is hundreds of times hotter than its surface, and scientists are still working out exactly why.
Genghis Khan's tomb has never been found.
The "Old Man of the Lake" is a tree stump that has floated upright in Crater Lake since at least 1896.