The Eldridge Hotel in Lawrence, KS is reputedly haunted, with paranormal activity centered on Room 506, possibly due to the presence of the original cornerstone from a building that was burned down. Guests and staff have reported paranormal phenomena such as unexplained noises, cold spots, objects moving on their own, and the feeling of a presence. The haunting is often associated with the hotel's founder, Colonel Shalor Eldridge, who vowed to rebuild the hotel and add a floor each time it was destroyed. Room 506: This room on the top floor is considered a focal point for paranormal activity because it contains the original cornerstone from the 1860s building, which some believe acts as a "spirit portal". The most popular theory is that the ghost of the hotel's builder, Colonel Shalor Eldridge, haunts the establishment, particularly Room 506. Guests have experienced unexplained noises like high-pitched twittering, knocks on walls, and the feeling of someone sitting on the bed, according to a Tripadvisor review. Other reported incidents include doors opening and closing on their own, objects shaking, and even golf clubs being slammed onto the ground, according to a YouTube video. Some visitors report that the hotel's elevator is haunted, with the cab sometimes changing direction on its own. The hotel has a violent history, having been built, burned, and rebuilt multiple times, including a notable attack by pro-slavery forces in 1856. The presence of the original cornerstone in Room 506 is a unique feature that some believe contributes to the hauntings.