Geocaching in Chicago. What fun geocaching can be. Searching for treasures and missives in hidden places. What do you need to geocache? The only thing you need is a GPS device or GPS-enabled cellphone so you can navigate to the cache. For more specifics.
Here is a list of some Chicago landmark geocaches. Downtown Chicago Geocaches. Caches good for kids. Here are some more in the greater Chicago area.
There are guidelines published by a number of people but geocaching.com appears to be the dominant source.
