Geocaching is a widespread and popular recreational activity today. As long as you have a GPS receiver and some coordinates to look for, you can get started with geocaching. This chapter's lab will have you investigating some specific geocaching resources on the Web, but before you start looking for caches, there are some online utilities to explore first. Open your Web browser. and go to. Groundspeak operates a main geocaching Website as well as provides tools to use. On the main page there to several GPS-related sites: Geocaching.com: Check around for locations of geocaches near (we'll use this during the lab) Waymarking.com: This Website provides a way to find the coordinates of interesting locations (" waymarks ") that have been uploaded by users. Type in your zip code to see what's been labeled as a waymark near you and collect its coordinates. Wherigo.com: .This website allows you to download a player and a toolset for constructing games(referred to as "cartridges") and other applications for portable GPs devices. Cache in Trash Out: This environment initiative is dedicated to cleaning up areas where geocaches are hidden. Expansion Question What geocaches are located around your own local area or zip code? What locations have been labeled as waymarks near your zip code, and what are the coordinates of these waymarks