Halloween will be here before you know it, which means it is time to start making everything spooky. Once you have figured out your costume, transform your home into a haunted mansion by decorating it with some creepy but fun holiday decor. By adding a skull or two to your decor this fall, you can easily turn your home into a haunted mansion perfect for your Halloween party this fall. Here are 38 DIY skull ideas perfect to add an eerie feeling to your home in your fireplace, porch, yard,etc with skull and skeleton.