White skull, traditional European sculpture. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3296561/free-photo-image-skull-animals-images-pictures-archaeologyFree Image from public domain licenseSpooky abandoned cabin house. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3338228/free-photo-image-nature-house-abandoned-building-spookyFree Image from public domain licenseFree man in white mask and hoodie standing on escalator photo, public domain CC0 image. https://www.rawpixel.com/image/5903416/photo-image-public-domain-mask-personFree Image from public domain licenseThe solitary-confinement “dark cell” at the Yuma Territorial Prison State Historic Park in Yuma, Arizona. https://www.rawpixel.com/image/582443/carol-highsmiths-arizona-photographFree Image from public domain licenseSkulls in the tropical forest. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3297358/free-photo-image-agaric-amphibian-animalFree Image from public domain licenseCloseup on Halloween human skull decoration. Free public domain CC0 image. https://www.rawpixel.com/image/6023060/photo-image-public-domain-halloween-freeFree Image from public domain licenseCloseup on Halloween human skeleton decoration. Free public domain CC0 image. https://www.rawpixel.com/image/6023371/photo-image-public-domain-halloween-freeFree Image from public domain licenseScary mummy head Halloween decoration. Free public domain CC0 image. https://www.rawpixel.com/image/6023046/photo-image-public-domain-table-halloweenFree Image from public domain licenseFree Arif Paşa Apartment, Istanbul, Turkey image, public domain CC0 photo. https://www.rawpixel.com/image/5912336/image-background-public-domain-freeFree Image from public domain licenseSpider close up in nature, animal photography. Free public domain CC0 image. https://www.rawpixel.com/image/6018063/photo-image-background-light-public-domainFree Image from public domain licenseBlackburn's Antiques and collectibles store in Paris, Texas. Original image from Carol M. Highsmith’s America, Library… https://www.rawpixel.com/image/582699/carol-highsmiths-texas-photographFree Image from public domain licenseChurch of st. George in Dusniky, CZLegend has it that it stands on a mound raised to commemorate a nearby battle in 1179… https://www.rawpixel.com/image/11177069/image-plant-grass-skyFree Image from public domain license