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Smithsonian National Museum of Natural History

The NMNH GeoTour Passport is a printable document that participates can use to track their progress in reaching all off the caches on the GeoTour.  

Download the NMNH GeoTour Passport (PDF format)





To participate in Smithsonian NMNH Geocaching / GeoTour activity, users must register at, which is a third party website owned operated by Groundspeak, Inc. which is the primary facilitator for the Geocaching community worldwide.  Please be advised that / Groundspeak Terms of Service ( and Privacy Statement ( applies to your use of these services. The links to are provided for participation and informational purposes only, and they do not indicate the Smithsonian’s endorsement, sponsorship of, or affiliation with or Groundspeak Inc. or content of those websites, including any advertisements that may be posted. The Smithsonian has no control over, makes no representation or warranty and bears no responsibility for the accuracy, legality or content of the externally linked sites. For more info on the Smithsonian Terms of Use, see: and the Smithsonian Privacy Policy at:

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