With fall foliage and the cool breeze comes the spookiest month of the year—October! Besides Halloween festivities, Chicagoans have several things to look forward to, including fall festivals, book expos, art walks and food fairs. Movie fans won't run out of things to watch with several free screenings and the International Film Festival coming up, while history buffs will enjoy free admission to several of Chicago’s best landmarks. Without further ado, here are the top 10 free things to do in Chicago this October.