Check out this listing, only $4.5M and 10,000sq ft. in Palm Springs. Has outdoor pool and "winter" pool indoors, 10 bedrooms, 9 bathrooms and 2 1/2 baths.
https://www.dwell.com/article/650-east-tachevah-palms-springs-midcentury-real-estate-93a14076
https://www.dwell.com/article/650-east-tachevah-palms-springs-midcentury-real-estate-93a14076