Though Halloween today may be defined by free candy, wild parties and throwing a pair of cat ears on your head and calling it a day, the October holiday used to be a whole lot creepier. Case in point? The fine-costumed folks of the '20s and '30s who rolled up to the pumpkin patch looking like something out of a horror movie. 

From skeleton horses to masks only The Purge could love, here are 20 pics of what Halloween parties looked like in the 1920s and 1930s.