Sometimes staying at a hotel is really fun: clean sheets that are tucked in, free toiletries and soft towels. And best of all, you don’t have to clean up after yourself, but, unfortunately, some people take advantage of that. On the other hand, staying a crummy motel or hotel can make your skin crawl. You can’t help but think of these investigations done with black lights that show human fluids. The awesome people of Reddit decided to share their most scary hotel stays.