Illinois Mystery Letterboxes
(31 listings)
| Letterbox name | Found date | Clue owner | Location | County | |
|---|---|---|---|---|---|
| Accident Report Attempted: Apr 14, 2010 | — | Hart x6 Planted: Jun 21, 2009 | ??? | Mystery | |
| Apple a Day - The Trunk (3) | — | Adoptable Planted: Mar 28, 2009 | ??? | Mystery | |
| Barbie Travelling Letterbox | — | Adoptable Planted: Jul 25, 2014 | ??? | Mystery | |
| Camp River Trails (25) Found 25: Nov 5, 2010 | — | FungusWoman Planted: Apr 25, 2004 | ??? | Mystery | |
| Cristóbal Colón Found: May 23, 2009 | — | Hart x6 Planted: Jul 25, 2007 | ??? | Mystery | |
| Dick Tracy by Investigator Francis Bacon Attempted 0: Aug 15, 2019 | — | Investigator Bacon Planted: Mar 31, 2009 | ??? | Mystery | |
| Fearless Fosdick Found 1: Mar 20, 2011 | — | Investigator Bacon Planted: Apr 7, 2009 | ??? | Mystery | |
| Happy 10th Anniversary Found: May 23, 2009 | — | Hart x6 Planted: Nov 28, 2008 | ??? | Mystery | |
| Harts at Home Found: Mar 19, 2018 | — | Hart x6 Planted: Oct 5, 2008 | ??? | Mystery | |
| Idle Hours | — | Adoptable Planted: Sep 7, 2009 | ??? | Mystery | |
| Little Red Riding Hood Mystery Found: May 25, 2018 | — | Leapin' Lizards Planted: Jan 22, 2004 | ??? | Mystery | |
| Lost Lullaby Leaguer Found: Apr 26, 2015 | — | Adoptable Planted: Jan 8, 2012 | ??? | Mystery | |
| Made In My State: John Deere Combines Found: Jun 5, 2010 | — | Adoptable Planted: Jun 3, 2006 | ??? | Mystery | |
| Made In My State: John Deere Tractors Found: Jun 5, 2010 | — | Adoptable Planted: Jun 3, 2006 | ??? | Mystery | |
| Michael Myers is Back in Illinois! Found: Jun 8, 2018 | — | Adoptable Planted: Oct 30, 2011 | ??? | Mystery | |
| Nuts2U Found: Mar 7, 2015 | — | FungusWoman Planted: Dec 2, 2006 | ??? | Mystery | |
| Railsplitter Found: Sep 4, 2011 | — | Leapin' Lizards Planted: Oct 29, 2004 | ??? | Mystery | |
| River Trails OK: Oct 24, 2015 | — | FungusWoman Planted: Jul 24, 2009 | ??? | Mystery | |
| Saved by Music #2 OK: Mar 26, 2008 | — | Leapin' Lizards Planted: Oct 29, 2004 | ??? | Mystery | |
| Search for the Key: Frank and Tommy (2) Found 2: May 28, 2012 | — | Adoptable Planted: May 31, 2011 | ??? | Mystery | |
| Sgt. Snuffy Found: Jun 14, 2015 | — | Adoptable Planted: Oct 7, 2004 | ??? | Mystery | |
| The Flintstones: Great Gazoo Found: Mar 22, 2020 | — | Hart x6 Planted: Mar 27, 2009 | ??? | Mystery | |
| The Witches Circle Found: Aug 18, 2012 | — | Adoptable Planted: Oct 30, 2011 | ??? ??? | Mystery | |
| The Wizard of Oz (52) Found 52: Apr 4, 2022 | — | Hart x6 Planted: Apr 30, 2010 | ??? | Mystery | |
| Twiga Attempted: Mar 20, 2011 | — | Adoptable Planted: Aug 26, 2007 | ??? | Mystery | |
| Visions of the Past Found: Jul 14, 2013 | — | Shutterfly Planted: Jul 30, 2005 | ??? | Mystery | |
| WG16 Found: May 29, 2023 | — | Adoptable Planted: Apr 8, 2011 | ??? | Mystery | |
| WG61 Found: Apr 1, 2012 | — | Adoptable Planted: May 31, 2011 | ??? | Mystery | |
| WG62 Found: Dec 17, 2011 | — | Adoptable Planted: Mar 28, 2011 | ??? | Mystery | |
| Flying Away HH | — | Adoptable Planted: May 31, 2011 | ??? ???, ??? | Mystery | |
| 10 for 10:Joy of the Hunt Found: Jul 27, 2021 | — | Atom 118 Planted: Jan 25, 2017 | Lombard | Mystery |