Explore the $500 million mystery of the world's largest art heist. Learn why the frames stay empty and how two fake cops vanished with history's rarest art.

Related topics: Isabella Stewart Gardner Museum theft

A mountain hike in 1970 leads to Norway's most baffling cold case involving secret codes, disguises, and a woman who vanished into thin air.

Explore the 1982 Chicago crisis that triggered a nationwide panic, a $100 million recall, and changed every product seal in your home forever.

Related topics: Chicago Tylenol murders

Discover how forensic genealogy solved the 65-year mystery of Philadelphia’s 'America's Unknown Child' and finally gave Joseph Augustus Zarelli his name back.

Related topics: Murder of Joseph Augustus Zarelli

Explore the bone-chilling 1922 cold case of the Hinterkaifeck farmstead, where an invisible intruder lived with a family before—and after—their brutal end.

Related topics: Abendzeitung, Amazon Prime Video, Andrea Maria Schenkel, Arrest warrant, Artisan

Explore the unsolved mystery of the Cleveland Torso Murderer, the serial killer who defeated the legendary Eliot Ness during the Great Depression.

Related topics: Advance Local Media, Adventure (role-playing games), Alcoholism, American lower class, Amputation

Discover the chilling true story of the Osage Nation, the world's wealthiest people who became targets of a systematic conspiracy of serial murders for oil.

Related topics: 2005 University of Oklahoma bombing, America (magazine), Antelope Hills Expedition, Appeal, Arkansas Territory

Discover the true story of the only unsolved air piracy case in history and the man who became an American legend by jumping out of a plane into a storm.

Related topics: $20 bills, 101st Airborne, 1971 B-52C Lake Michigan crash, 1971 Colorado Aviation Aero Commander 680 crash, 1971 Indian Airlines hijacking

Discover the chilling mystery of Elisa Lam, the Cecil Hotel, and the viral elevator video that sparked a decade of conspiracy theories.

Related topics: American Broadcasting Company, American Horror Story, American Horror Story: Hotel, Amtrak, Backstory

Explore the rise and fall of the Silk Road, the darknet marketplace that transformed Bitcoin from a hobby into a billion-dollar tool for the digital underworld.

Related topics: .onion, 1.1.1.1, 8chan, ABC Action News, ASIN (identifier)