A typical geocache, like this one in the Czech Republic, is enclosed in a weather-proof case, and contains a logbook and inexpensive tokens.
Photograph by Michalowic, courtesy Wikimedia. This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.

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  • On May 3, 2000, the first geocache was placed in a wooded area near Beavercreek, Oregon. Geocaching is a type of global treasure hunt in which people look for hidden stashes of objects—geocaches. Geocaching may also be described as a series of hide-and-seek games, where hiders provide online clues for seekers. Seekers use GPS receivers or mobile devices to find hidden geocaches.
     
    The first geocache was a black plastic bucket containing software, videos, books, and a slingshot. Today, most geocaches contain inexpensive tokens (such as souvenir stickers or buttons) and a logbook, recording the date and time geocachers find or contribute to the cache.
     
    Geocaching has evolved from a small hobby to huge, well-organized treasure hunts for people of every age and ability. There are Earthcaches, which encourage trackers to learn about the physical environment; virtual geocaching, which is a series of coordinates without a physical cache; and “cache in, trash out” events, which are organized to clean up the environment.
  • Term Part of Speech Definition Encyclopedic Entry
    coordinates Noun

    a set of numbers giving the precise location of a point, often its latitude and longitude.

    environment Noun

    conditions that surround and influence an organism or community.

    evolve Verb

    to develop new characteristics based on adaptation and natural selection.

    geocache Noun

    container used in a treasure-hunting game of hidden objects (geocaches), usually found using a GPS device.

    GPS receiver Noun

    device that gets radio signals from satellites in orbit above Earth in order to calculate a precise location.

    software Noun

    electronic programs of code that tell computers what to do.

    token Noun

    material, usually similar to a coin, that may be exchanged for specific goods or services.