New City of Mentalphysics Historic District

59700 Twentyninepalms Hwy., Joshua Tree, California. County/parish: San Bernardino.

Added to the National Register of Historic Places January 17, 2023. NRIS 100008539.

27 contributing buildings. 2 contributing sites. 2 contributing structures. 2 contributing objects.

Also known as:

• Institute of Mentalphysics
• Joshua Tree Retreat Center