Spook lights, also known as ghost lights or will-o'-the-wisps, are mysterious glowing orbs often reported in rural areas. They typically appear at night and can vary in color, size, and brightness. Many people believe these lights are supernatural phenomena, while others suggest they may be caused by natural occurrences like swamp gas or atmospheric conditions. Sightings of spook lights have been documented in various locations around the world, with some famous examples including the Marfa Lights in Texas and the Brown Mountain Lights in North Carolina. Despite numerous investigations, the exact cause of these lights remains largely unexplained, contributing to their allure and intrigue.