CalEarth is the legacy of internationally renown architect Nadir Khalili carried on by his family and friends. SuperAdobe buildings, that anyone can learn how to build by hand, comprise the amazing community you will see when you visit. Numerous hands-on workshops on the methods and processes of building from the earth are offered.
Check it out at their Open House on June 2, 2019 from 10am to 3pm. Go here for details: https://www.calearth.org/openhouse