(Nevada, 1936) The Lost Chamber Beneath Hoover Dam | A Mystery Hidden for 90 Years скачать в хорошем качестве

(Nevada, 1936) The Lost Chamber Beneath Hoover Dam | A Mystery Hidden for 90 Years

In 1936, as Hoover Dam neared completion, workers in Tunnel 12 uncovered something no blueprint ever mentioned… a hidden corridor carved with impossible precision, leading to a perfectly spherical chamber that should not exist. Scorched ceilings. Melted copper. A steel chair fused into the floor. A burn-ring that defied physics. A vibration that has never stopped. Within hours, federal agents seized every sketch and note. The passage was sealed behind steel plates… then buried in concrete. For nearly 90 years, engineers, maintenance crews, and even tourists have reported strange events deep within the lower levels of Hoover Dam — unexplained hums, temperature spikes, magnetic interference, and a low “heartbeat” sensation through the walls. Tonight, we uncover the story the federal government buried — literally. If you love historical mysteries, unsolved cases, and lost American stories 👉 Comment the state or country you’re watching from. 👉 Subscribe for more historical mysteries every week.