Abandoned home in rural Maryland. Original image from Carol M. Highsmith’s America, Library of Congress collection.… Free Image from public domain license 
Historic Blakeley State Park in Alabama. Original image from Carol M. Highsmith’s America, Library of Congress… Free Image from public domain license 
Calaveras Oaxaquena by Mexican political printmaker and engraver, Jose Guadalupe Posada (1852-1913). Original from Library of… Free Image from public domain license 
Three girl heads from Songs For Little People illustrated by H. Stratton (1896). Original from the British Library. Digitally… Free Image from public domain license 
Flying bat from Woodland Romances; Or, Fables And Fancies by Clara L. Mateaux (1877). Original from the British Library.… Free Image from public domain license 
The nightmare from Un-Natural History Not Taught In Bored Schools, etc published by Simpkin, Marshall & Co. (1883). Original… Free Image from public domain license 
Skull and books from Half A Century, 1848-1898. The Netherlands Under The Direction Of King Willem The Third And The Regency… Free Image from public domain license 
Abandoned home in rural Maryland. Original image from Carol M. Highsmith’s America, Library of Congress collection.… Free Image from public domain license 
Greenwood Cemetery in Tuscaloosa, Alabama. Original image from Carol M. Highsmith’s America, Library of Congress… Free Image from public domain license 
Flying bat from Woodland Romances; Or, Fables And Fancies by Clara L. Mateaux (1877). Original from the British Library.… Free Image from public domain license