This lighthearted, heavily illustrated presentation examines how archaeologists think about why people make and believe fantastic claims explaining the distant past. From ancient alien interventions to Pre-Columbian transoceanic explorations—especially those pesky Vikings and their runestones supposedly found in present-day Oklahoma—how well do such claims hold up under the scrutiny of evidence and critical thinking? Come to think of it, why do many professional archaeologists seem reluctant even to talk about them, let alone actually investigate them?