Geocaching.com is the worlds largest geocaching website. Web Developer Jeremy Irish started this website in
September of 2000. This site provided tutorials for getting started on geocaching, hiding a geocache, etc. Currently Groundspeak owns Geocaching.com. To access the coordinates on Geocaching.com a Free Membership is required. However, there are some PMO Geocaches that require a Premium Membership to find. A premium membership costs $30.00 for one year. As of May, 2013 there are over 2 Million geocaches on their website and over 5 million users.