The story
You've pulled up beside Old Joliet Prison, the one locals still call the Collins Street Prison.
The rest unlocks with the drive
All 9 stops of Route 66 in Illinois · $4.99 · up to 4 phones
Photo: Joseph Gage from USA, CC BY-SA 2.0, via Wikimedia CommonsStop 2 of 9 · Route 66 in Illinois
The Prisoners Who Built Their Own Walls
Old Joliet Prison, Chicago
3 min story9-stop drive
Part of Route 66 in Illinois
See the drive →Chicago · 9 stops · 7 h 42 min · 299 mi
1Lou Mitchell's
The Diner That Was Here FirstPhoto: David Brossard, CC BY-SA 2.0, via Wikimedia Commons
2You're hereOld Joliet Prison
The Prisoners Who Built Their Own WallsPhoto: Joseph Gage from USA, CC BY-SA 2.0, via Wikimedia Commons
3Gemini Giant
The Astronaut Who Got Bought BackPhoto: David Quigley, CC BY-SA 4.0, via Wikimedia Commons
4Ambler's Texaco Gas Station
Sixty-Six Years at the PumpsPhoto: Marcin Wichary from San Francisco, U.S.A., CC BY 2.0, via Wikimedia Commons
5Odell Standard Oil Station
The Add-On That Saved Odell's StationPhoto: IvoShandor, CC BY 3.0 us, via Wikimedia Commons
6Funks Grove
The Grove the Prairie Fires MissedPhoto: Crystl, CC BY 2.0, via Wikimedia Commons- 7
Cozy Dog Drive In
The Hot Dog That Needed a Better Name 
8Ariston Cafe
The Cafe That Chased the HighwayPhoto: Teemu008 from Palatine, Illinois, CC BY-SA 2.0, via Wikimedia Commons
9Chain of Rocks Bridge
The Bridge That Changed Its Mind MidstreamPhoto: David Hinkson, http://www.trailnet.org/ (Public domain), via Wikimedia Commons
Sources
Written from public sources, every claim checked against them, narrated by a synthetic voice.