| Buxley\'s_Geocaching_Waypoint Explanation of the sport, collection of recent news stories, maps of cache locations, a FAQ, and announcements of geocaching parties and events. |
| CacheMagnet Open source geocaching waypoint management software. |
| CacheMate Geocaching database for Palm OS and Pocket PC. |
| Cacheopedia Wiki to create an online encyclopedia / reference / survival guide for geocaching. It is a source for geocaching FAQs, articles, guides, and a whole lot more. |
| Caching_Adventures Caching Adventures is a community for geocachers. Each user has their own blog and can submit articles and participate in forums. |
| CachingCentral Weblog related to the hobby of geocaching and use of GPS. |
| Geo-*_-_Linux_tools_for_Geocaching Provides free Linux software for the activity. |
| Geocache_Rating_System Tool for helping geocachers rate the overall and terrain difficulty of their hidden caches. |
| Geocacher_University Provides information about basic caches, equipment, events, resources, photos, items for sale and links. |
| Geocaching_Zone General weblog about the sport of geocaching and GPSr. |
| geochums Geocaching community with varoius forums including events, travel bugs, and geocoins managed through Northeast Ohio with members from multiple states. |
| GeoLex The Lexicon of Geocaching - glossary of geocaching terms. |
| GPS_-_the_movie "GPS" is the first film based on gps treasure hunting. Come check out our suspense/thriller and play the game. |
| GPSgames_org Features a variety of games involving use of GPS receivers, including geocaching, geodashing, minutewar, geopoker and geogolf. |
| Handicaching Handicaching aims to improve the accessibility of Geocaching for physically handicapped people all over the world. |
| Local_Geocache_Groups Directory attempts to show all known local geocache groups from around the world. |
| MovingCache_com Features exciting point system to foster an environment of excitement while moving a cache to keep the game quite creative |
| Navicache Provides a wide range of information and listing resources for the geocaching enthusiast including worldwide cache listing. |
| Podcacher A family friendly, weekly audio show all about Geocaching! |
| TerraCaching Fewer caches listed than on other sites, but they are rated by members, to encourage memorable and challenging hunts. Wiki, map, how to become a member. |
| Abandoned_Pennsylvania_Turnpike Trip log and other information. |
| The_Abandoned_Pennsylvania_Turnpike Gives a background, and includes photographs and visiting tips, of this section near Breezewood. |
| Historic_Pennsylvania_Turnpike Photos and topo maps of the bypassed tunnels. |
| The_Penna_Turnpike_at_Pennsylvania_Road_Photos Photo essay of the Breezewood area and details on St. John the Baptist Catholic Church and the Midway Service Plaza. |
| Pennsylvania_Turnpike Extensive historical overview and exit guide. |
| The_Pennsylvania_Turnpike_--_a_History Includes postcards from the early days including those of the original two-lane tunnels. Also contains recent pictures of abandoned sections. |
| Pennsylvania_Turnpike_Information_Page Includes scans of historic maps, guides, and postcards. |
| Ray\'s_Abandoned_Pennsylvania_Turnpike_Website Contains photographs and information about the abandoned sections and tunnels near Breezewood. Accepts outside submissions. |
| Welcome_to_Tom\'s_Pennsylvania_Turnpike_Page! Photo log of abandoned sections. |
| Electronic_Toll_Collection_System Metro Road Systems' division. Includes client list. |
| E-Z_Pass Electronic toll collection system that is common in the Northeast U.S., based in New Jersey. |
| Halifax-Dartmouth_Bridge_Commission Authority for the Angus L. Macdonald and A. Murray MacKay Bridges that connect Halifax to Dartmouth in Nova Scotia, Canada. |
| Highway_Toll_Administration Provides electronic toll collection services. Site includes client information. |
| HowStuffWorks___How_E-ZPass_Works Fully illustrated tutorial explains E-Zpass, an electronic toll-collection system consisting of a 900-MHz band car transponder, antenna, lane controller, LAN and host computer system. |
| HowStuffWorks___How_Intelligent_Highways_Will_Work Graphic narrative shows the future freeway's new, cheaper technology and explains how ubiquitous digital devices will aid in easing our traffic woes, perhaps using triangulation. |
| International_Bridge,_Tunnel_and_Turnpike_Association Alliance of toll operators and associated industries. Includes news and resources. |
| MACPASS_-_Automated_Toll_Collection_System Service available for crossing of various bridges in the Maritime Provinces of Canada. Site includes FAQ, price information, and application forms. |
| M-TAG Electronic toll collection system for bridges and tunnels in Baltimore, Maryland, U.S. |
| Roam Electronic toll collection system used around Sydney, Australia, including on the M7. Includes e-TAG and e-PASS transponder information. |
| Toll_Facilities_in_the_United_States Full and partial lists with details, courtesy the Federal Highway Administration. |
Home Survival Skills Land Navigation Survival Fitness 
Do you have what it takes to be a survivor? Are you mentally prepared for wilderness survival even when there are no million dollar pots of gold up for grabs like on television's "Survivor" program? If left in the desert with no water, would you be able to survive? If stranded on a tropical island, could you find food? If tired and injured in a jungle, would you know what plants to use for herbal treatments? If cold and shivering on a stormy mountainside, would you be able to start a fire without matches and build adequate shelter? If lost in the woods, would you be able to navigate your way out of danger? If pushed to the limits of physical endurance, do you have the strength, stamina and fitness to keep going? If you answered "no" to any of these questions, you need SurvivalIQ. As your personal survival handbook, SurvivalIQ provides information, resources, strategies and techniques you need to know whether you're preparing for a back country camping trip or the Green Berets. 
This section is chock full of practical survival information for all kinds of outdoors and wilderness situations. Whether you're a future Navy Seal or a Survivor contestant wannabe, this step-by-step manual teaches the skills, information, tips and techniques employed by elite forces of the U.S. military. 
Cartography is the art and science of expressing the known physical features of the earth graphically by maps and charts. No one knows who drew, molded, laced together, or scratched out in the dirt the first map. We do know that map reading and land navigation skills are critical to survival in a wilderness environment. Whether you're preparing to be an Army Ranger or a backpacker through the Australian outback, this handbook is filled with information you need for safety and survival in wilderness. 
More than anything else, a survivor must be physically and mentally fit for rigors of survival situations. Strength. Endurance. Flexibility. Agility. All of these factors affect a person's survivability in the wilderness. The survival fitness manual guides and equips you with the information you need to come out a survivor in whatever physical challenges lay ahead of you. Survival Quick Reference Survival Skills Land Navigation Survival Fitness Introduction to Survival Training strategy Introduction to Fitness Psychology of survival Maps Cardiorespiratory fitness Survival planning and survival kits Marginal information and symbols Muscular endurance and strength Basic survival medicine Grids Flexibility Survival Shelter Scale and distance Nutrition and fitness Water procurement Direction Environmental considerations Firecraft Overlays Injuries Food procurement Aerial photographs Physiological differences between the sexes Survival use of plants Navigation equipment and methods Poisonous plants Elevation and relief Dangerous animals Terrain association Field-expedient tools and equipment Mounted land navigation Desert survival Navigation in different types of terrain Tropical survival Unit sustainment Cold weather survival Field sketching Sea survival Map folding techniques Expedient water crossings Units of measure and conversion factors Field-expedient direction finding Joint operations graphics Signaling techniques Exportable training material Survival movement in hostile areas Orienteering Camouflage M2 compass Contact with people Additional aids Survival in man-made hazards Foreign maps Survival kits Global positioning system Edible and medicinal plants Precision lightweight global positioning system receiver Poisonous plants 