Initially thought to be conjured up in tall tales, rogue waves do exist – and one struck the Andrea Gail fishing boat during the Perfect Storm of 1991 in the North Atlantic Ocean, resulting in the deaths of all six crew members. Author Sebastian Junger spent years doing research and interviewing locals in Gloucester, Mass., to put together his bestseller that inspired the 2000 movie of the same name starring George Clooney and Mark Wahlberg.