There is lots happening this fall in Chicago! Take a look below:
This weekend something special is happening –  Open House Chicago! This is a free once-a- year offering of behind-the-scenes access to more than 200 buildings across the Chicago area. Explore the hidden gems and architectural treasures including some new additions this year – Baha’i Temple in Wilmette and Northwestern University’s Observatory.
The 53rd Chicago International Film Festival is underway through October 26th .  It kicked off with the stars of the new film opening today –  “Marshall.”  There’ll be a special career achievement award to film and theater legend Sir Patrick Stewart perhaps best known for his Star Trek and X-Men work including Sterling K. Brown and Josh Gad.
Calling all pinball lovers to the 33rd Annual Pinball Expo in Wheeling with a game hall, tournaments, vendors and a banquet hall at the Westin Chicago North Shore.
And “Salute to Gotham” is being held tomorrow and Sunday at the Hyatt Regency in Schaumburg.  This convention comes to the Chicago area for the first time with celebrity guests, parties, panels, contests, photo and autograph opportunities with the stars from the tv series “Gotham.”
At Andersonville Arts Week, you can see more 200 artists participating across nine genres of art – from theatre to dance, culinary to handmade items – with a range of festivities and activities for all ages. It ends Sunday.
Get in the mood for fall with the Chicago Camp Fire Festival at Chase Park on North Ashland. There’s a pumpkin patch, corn maze, bounce house, tractor rides, arts and crafts, games, campfires, marshmallow roasting and professional ghost stories.  Children under two years old are free.
While the Chicago Symphony is out of town on tour, a number of jazz performers take the stage at the Symphony Center including Wynton Marsalis today, and tomorrow he’ll be joined by Jon Batiste, probably best known as the bandleader of the Late Show with Stephen Colbert on CBS.
Six Flags Great America is already in the Halloween spirit with its annual Fright Fest that includes a very scary haunted house – it’s open through October 31st.
And Lincoln Park Zoo hosts its annual Ghost Tour by a Chicago paranormal investigator and ghostlore expert for those 16 years and older Tuesday night.
Comedian Jim Gaffigan is in town tonight and tomorrow for two shows each night at the Chicago Theatre.
Nick Cannon, former husband of Jennifer Lopez, is at the UIC Pavilion tomorrow night with his “Wild ‘N Out Live” show featuring comedy improv and some special guests.
The Chicago Humanities Festival kicks off later in October on the 28th and goes through November 12th. The fall lineup will have talks centering around the theme of Belief and speakers will include artists, politicians and thinkers.
Several big acts are coming to town in the next few weeks. Imagine Dragons will be at the United Center on October 18th. And then Katy Perry will be at the UC for two shows on October 24th and 25th. Janet Jackson is coming to the Allstate Arena on October 26th.
The first week of November, you can catch Marvel Universe Live! at the Allstate Arena. Spider-Man and the Avengers join forces in a race against time to defeat Loki. This runs Nov. 2-5th.