Yucca Valley in San Bernardino County, California — The American West (Pacific Coastal)

Joshua Tree Retreat Center - Institute of Mentalphysics

Joshua Tree Retreat Center Marker image. Click for full size.

Photographed by Tatiana Zavala, February 28, 2026

1. Joshua Tree Retreat Center Marker

Inscription.
This property has been placed on the National Register of Historic Places by the United States Department of the Interior

Erected by U.S. Department of the Interior.

Topics. This historical marker is listed in this topic list: Architecture.

Location. 34° 8.154′ N, 116° 21.752′ W. Marker is in Yucca Valley, California, in San Bernardino County. It can be reached from 29 Palms Highway 0.4 miles east of Yucca Mesa Road, on the left when traveling east. Touch for map. Marker is at or near this postal address: 59700 29 Palms Highway, Joshua Tree CA 92252, United States of America. Touch for directions.

Regionally, this marker is in Greater Los Angeles,

in the Coachella Valley,

in the Peninsular Ranges,

and specifically in the Transverse Ranges.

It is also in the American Southwest.

Globally, it is in North America,

on the Ring of Fire,

in the Pacific Rim,

in the Western Hemisphere,

in the Western World,

and in the Anglosphere.

Historically, it finds itself in what was once New Spain

and also Mexico’s Alta California.

Other nearby markers. At least

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8 other markers are within 12 miles of this marker, measured as the crow flies: Warren's Well (approx. 2½ miles away); The Red Dog Saloon (approx. 7.8 miles away); Pioneertown (approx. 7.9 miles away); Memorial Fire (approx. 10.3 miles away); The Integratron (approx. 11.3 miles away); Are YOU a Packrat? (approx. 11.3 miles away); Desert Almond - Prunus fasciculata (approx. 11.4 miles away); Tortoise Troubles (approx. 11.4 miles away).

Also see . . .
1. An Architectural Gem in Joshua Tree, A Return to The Institute of Mentalphyics.

Located off 29 Palms Highway just past Yucca Valley and entering Joshua Tree, this metaphysical destination is home to the largest collection of Lloyd Wright buildings in the world. The sprawling 400-acre property was built between 1946–1957

(Submitted on March 1, 2026, by Tatiana Zavala of Orange County, California.)

2. Lloyd Wright Jr. work abundant in Joshua Tree. Article from The Desert Sun, Written by Denise Goolsby

...in 1945, [Edwin J.] Dingle approached Frank Lloyd Wright Sr. to build what he called "The City of Joy," Jennings said.

"A place where it would be off the grid,
Photographed by Tatiana Zavala, February 28, 2026

2. Joshua Tree Retreat Center
where they would grow their own foods and where professionals — musicians and artists and craftsmen and builders who were now in their later years"— could live, she said.

While it is believed that Frank Lloyd Wright had a hand in the design of some of the structures, his son, Lloyd Wright, is the architect of record.

According to "Lloyd Wright: The Architecture of Frank Lloyd Wright Jr." by Alan Weintraub, a brochure announced the appointment of Lloyd Wright as architect and engineer, identifying him as the son of the designer of the Imperial Hotel in Tokyo and stating that Frank Lloyd Wright would be advising on the commission:

'Moved by a sense of the tranquil nobility and eternal beauty of the desert, I have planned, not a city of asphalt paving and steel or of tight mechanical grid and congested living barracks, but a city of the Desert — spacious, free sweeping ... its centuries-old Joshua Trees standing like sentinels about its homes.'"

(Submitted on March 1, 2026, by Tatiana Zavala of Orange County, California.)

Credits. This page was last revised on March 30, 2026. It was originally submitted on March 1, 2026, by Tatiana Zavala of Orange County, California. This page has been viewed 48 times since then. Photos: 1, 2. submitted on March 1, 2026, by Tatiana Zavala of Orange County, California. • Andrew Ruppenstein was the editor who published this page.

Editor’s want-list for this marker. Wide view photo of the marker and it’s surroundings showing its location in context. Photos of each Lloyd Wright building. Correct map pin/coordinates. • Can you help?