Martha Chapel Cemetery, or "Demon's Road," in Huntsville, TX, is described as haunted by floating red lights that can cause temporary amnesia, a mysterious monster or creature by the treeline, "tagalong" spirits that follow vehicles home, and a ghost boy on a tricycle with glowing red eyes. The location is known for these various strange entities and phenomena, particularly at night. At night, one or more red lights may appear, with one light for each vehicle occupant. If someone looks directly at them, they can experience temporary amnesia. A large creature or monster has been reported standing by the treeline of Demon's Road for years. Some visitors claim that ghosts, or "tagalongs," will follow them home after they leave the area. Another reported entity is a young boy riding a tricycle with glowing red eyes.