To acquire and preserve america's most important archaeological sites. The conservancy identifies important endangered sites, acquires the property by purchase, gift or bargain sale from donors, secures the property and stabilizes the cultural resources at the site, manages the archaeological preserve as part of a long-term plan, and educates the general public and local officials about the destruction of our cultural heritage and how to preserve what remains.

Acquisition, conservation and management: during the year ended july 31, 2016, the conservancy completed the acquisition of 7 endangered archaeological sites and 3 conservation easements which are now managed as archaeological preserves. 43 more sites and conservation easements are in various stages of acquisition. In all, the conservancy has preserved over 500 archaeological sites across the country, maintaining security and providing stabilization and other maintenance services on most of the preserves. education: during the year ended july 31, 2017, the conservancy published four issues of the american archaeology magazine, which were distributed throughout the united states with a total distribution of approximately 25,000 copies per issue. One public lecture series was held. Ten archaeological travel seminars were held in the united states, cuba and mesoamerica.