Pinterest Facebook Twitter Email A UFO in South Dakota 02:36 A strange, flying object over Rapid City, SD, sparks a military investigation. From: Monumental Mysteries and Superman, Montgomery March,Who Killed Huey Long? Similar Topics: History Travel's Best Related Videos Who Killed Wild Bill Hickok? 01:55 A Fraudulent Photographer? 02:47 A Nearly Tragic Tale 02:51 Disappearance of a Couple 01:50 The Kidnapping of a Preacher 03:43 A Bizarre Blanket of Darkness 03:09 The News of a Lifetime 03:03 A Tale of Lunar Life Forms 03:00 More Videos It Begins With a Simple Step 02:20 A Man Ahead of His Time 02:20 A Woman Ahead of Her Time 02:19 A Poet and a Thief 02:52 Man Survives Bear Attack 02:21 A Brilliant, Young Markswoman 04:06 It Remains a Mystery 03:34 A Toxic Medical Mystery 03:48 A Seductive & Dangerous Spirit 03:23 A Real Battle of Wills 02:20 A Field of Diamond Dreams 02:30 A Full-Scale Prison Riot 03:31 A Pile of Ashes and Bones 03:29 The Ice-Axe That Saved a Team 03:53 Discovery of Vulcanization 03:06 Cold War Checkmate 03:03 We Recommend Monumental Mysteries Special 9 Photos
