Sending shivers down moviegoers' spines for close to a century, vampires continue to hold audiences in thrall with their bloodthirsty adventures. Chart the cinematic history of the undead ghouls with this exhaustive documentary. From F.W. Murnau's 1922 masterpiece Nosferatu and Bela Lugosi's chilling portrayal of the legendary Count Dracula to the 21st-century teen sensations in Twilight, it's clear vampire lore is (ahem) alive and well.