Dennis Martin was a six-year-old boy from Tennessee who disappeared on June 14, 1969, during a Father’s Day camping trip in the Great Smoky Mountains National Park. While playing a prank by hiding behind a bush near Spence Field, Dennis vanished without a trace. His father searched for hours before notifying park rangers, sparking the largest search in the park’s history. Over 1,400 people participated, including helicopters and even Green Berets. Adding a chilling twist, a tourist family miles