The Bioshelter was built in by Bob Crosby 1985 and was recognized for its commitment to earth-friendly practices with the 1987 Energy Innovation Award from the U.S. Department of Energy. It recycles all of its water and all of its waste. It was built as a model home for villages in Alaska. Search the net for Alaskan Bioshelter for more info. If you would like a complete 1-2 hour tour of the property, let us know. There is an extra fee ($50).