Geocaching.com

Benchmark Hunting

http://www.geocaching.com/mark/

Cache In Trash Out

http://www.geocaching.com/CITO/

Geocaching in the News

http://www.geocaching.com/press/

Geocaching Software

http://www.geocaching.com/waypoints

GPS Adventures Maze

http://www.gpsmaze.com/

Groundspeak Goodies

http://www.geocaching.com/goodies/

Guide to Geocaching

http://www.geocaching.com/resources/guide_to_geocaching.pdf

Geocaching.com – User Generated Tools

Geocacher U

http://www.geocacher-u.com/

Geochecker

http://www.geochecker.com/

It’s Not About the Numbers

http://itsnotaboutthenumbers.com/

Markwell’s GPS Pages

http://www.markwell.us/geo.htm

Prime Suspect’s Greasemonkey Scripts

http://gmscripts.locusprime.net/

Ranger Fox’s Stat Bar Modifier

http://www.geocaching.com/profile/?u=ranger+fox

Government and Environment

Bureau of Land Management

http://www.blm.gov/wo/st/en.html

Geocreed

http://www.geocreed.info/

Leave No Trace

http://www.lnt.org/

National Park Service

http://www.nps.gov/

Tread Lightly

http://www.treadlightly.org/

GPS

Educational Resources

GPS: A New Constellation, National Air and Space Museum

http://www.nasm.si.edu/exhibitions/gps/

Groundspeak GPS in Education Forum

http://forums.groundspeak.com/GC/index.php?act=idx

National Ocean Service Education: Geodesy

http://www.oceanservice.noaa.gov/education/kits/geodesy/geo09_gps.html

Satellite Navigation, NOAA Satellite and Information Service

http://www.space.commerce.gov/

U.S. Coast Guard Navigation Center: GPS General Information

http://www.navcen.uscg.gov/gps/

Manufacturers

Bushnell

http://www.bushnell.com

DeLorme

http://www.delorme.com/

Garmin

http://www.garmin.com/

Lowrance

http://www.lowrance.com/en/

Magellan

http://www.magellangps.com/

Mio

http://www.mio.com/

TomTom

http://www.tomtom.com/

Trimble

http://www.trimble.com/

Newsgroups, Podcasts and Zines

Newsgroups and Zines

news:sci.geo.satellite-nav

http://www.gpsy.com/gpsinfo/gps-faq.html

GPSInformation.net

http://gpsinformation.net/

GPS Magazine

http://www.gpsmagazine.com

Today’s Cacher

http://www.todayscacher.com/

Podcasts
This list is subject to change, if you see a correction, please contact us.

Cache-A-Maniacs - US

http://www.cacheamaniacs.com/

Cache D’ Island – Puerto Rico and the Caribbean

http://cdi.mypodcast.com/

Cachers of the Round Table - US

http://www.cachersroundtable.com/

Centennial State Geocaching – Colorado, US

http://centennialstategeocaching.com/

Dosen Fischer - Germany

http://www.dosenfischer.de/

Geocaching Podcast - US

http://www.geocachingpodcast.info/

Geocache Radio - Netherlands

http://www.geocacheradio.com/

Geocaching-Saglac.com - Canada

http://www.geocaching-saglac.com/

Geotalk – Australia

http://geotalk.libsyn.com/

Icenrye's Geocaching Videozine

http://www.icenrye.com/new/

Jersey Geocaching – New Jersey, US

http://www.jerseygeocaching.com/

The Maine Podcache – Maine, US

http://goddess.libsyn.com/

Ontario Geocaching Podcast - Canada

http://ontariogeocaching.podomatic.com/

PodCacher - US

http://www.podcacher.com/

Twin Cities GeoCaching Podcast – Minnesota, US

http://www.tcgcpc.com/

Navigation

Navigation Education Materials, The Institute of Navigation

http://www.ion.org/satdiv/education.cfm

U.S. Coast Guard Navigation Center

http://www.navcen.uscg.gov

NOVA Lost at Sea: The Search for Longitude

http://www.pbs.org/wgbh/nova/longitude/

Team Building

Geoteaming

http://www.geocaching.com/geoteaming/

Related Activities

You may enjoy other similar activities such as orienteering, letterboxing, and more.

Armchair Treasure Hunt Club

http://www.treasureclub.net/

Bookcrossing.com

http://www.bookcrossing.com/

Canadian Money Tracker

http://www.cdn-money.ca/

The Degree Confluence Project

http://www.confluence.org/

EarthCaching

http://earthcache.org/

EuroBillTracker

http://en.eurobilltracker.com/

International Orienteering Organization

http://www.orienteering.org

Letterboxing North America

http://www.letterboxing.org/

Waymarking

http://www.waymarking.com/

Where’s George?

http://www.wheresgeorge.com/ (Disclaimer)

Where’s Willy?

http://www.whereswilly.com/

Wherigo

http://www.wherigo.com