Neptune Pool Construction for the first of two Hearst Castle pools, the Neptune Pool, spanned 1924-1936. Three swimming pools were built on this site, each successively larger. Initial plans for the site called for a “Temple Garden” with an ornamental pool and temple structure. On March 31, 1924, W.R. Hearst wrote in a letter to Julia Morgan, “I am sending back the plan of the temple garden with the suggestion that we make the pool longer … Continue reading The Swimming Pools