Confront history's most tantalizing puzzles that defy closure, from lost colonies to cryptic codes. Roanoke's 1587 settlers etched "CROATOAN" before vanishing into thin air, Jack the Ripper's taunting letters hid his identity amid Whitechapel fog, and the Mary Celeste sailed ghost-empty in 1872 with cold coffee steaming. Probe Dyatlov Pass hikers' bizarre 1959 deaths—tents slashed from inside, tongues missing—and the Voynich Manuscript's uncrackable herbal script from the 1400s. Each enigma gets deep dissection: timelines, suspect lists, wild theories like alien abductions or royal coverups, and latest forensics like DNA dead-ends. Packed with maps, facsimile documents, witness contradictions, and "what if" scenarios. Spanning ancient Egypt's Nefertiti vanishing to DB Cooper's 1971 skyjacking loot, this collection fuels endless debate for armchair detectives craving the thrill of the unknown.