Carl Andre's work has been featured all over the world — but he's remained controversial ever since his wife Ana Mendieta fell 34 stories to her death in 1985.Jeff Baynes/Chris Morphet/Getty ImagesArtist Carl Andre with his artwork “Equivalent VIII” at the Whitechapel Gallery in London. Andre would later be charged with the murder of his wife, but acquitted. On September 8, 1985, a 911 call came in to New York City police.

After seven Braxton County, West Virginia residents reported seeing the Flatwoods Monster while investigating what looked like a UFO crash, local authorities scoured the scene — but they found nothing and reportedly "laughed off the reports as hysteria."One clear evening in September 1952, several boys in Flatwoods, West Virginia spotted a strange object streak through the sky. It appeared to land in a nearby field, so they headed over to investigate — and reportedly came across a 10-foot-tall creature that’s since become known as the “Flatwoods Monster.

Just a 24-line poem in his memoir served as a clue to the treasure's location.TwitterForrest Fenn hid a treasure chest filled with goods worth upwards of $5 million. In the summer of 2017, a 53-year-old man named Jeff Murphy disappeared shortly after embarking on a hike at Yellowstone National Park in Wyoming. While it’s sadly not uncommon for hikers to lose their lives while traversing dangerous terrain, one element of Murphy’s death was unique: he was searching for the mysterious Forrest Fenn treasure.

Between 2005 and 2008, Gary Hilton stalked hiking trails across the American South, searching for people to mutilate. He took at least four victims before he was finally caught.Cobb County Sheriff’s OfficeKnown as the “National Forest Serial Killer” and the man behind the Blood Mountain murder of Meredith Emerson, Gary Hilton robbed people on remote hiking trails throughout the South — and then dismembered them. In 2008, 24-year-old Meredith Emerson had recently graduated from the University of Georgia with honors and had a bright future ahead of her — until she met Gary Hilton.

German officials discovered the rare Panther tank along with a stockpiled arsenal of Nazi weapons, including an anti-aircraft cannon, a torpedo, and 70 rifles and machine guns. Carsten Rehder/Picture Alliance/Getty ImagesSoldiers hauling the Panther V tank away on July 2, 2015. For decades, a German man has stockpiled Nazi weapons of war in his basement, including a 45-ton Panzer-V (Panther) tank and an 88-millimeter anti-aircraft gun. Now, a German court has given him a 14-month suspended sentence and fine of about $300,000 for the arsenal, which was seized in a raid in 2015.