These buildings, built between 1964 and 1967, are of steel and concrete and replicate identical temporary structures built on this site for the 1915 Panama-Pacific Exposition. The original architect, John Maybeck, described them as an 'old Roman ruin'.
This is an image from just outside the central building of the Palace Of Fine Arts (the 'dome building') which is on the right in the photo.
This photo looks up and into the dome building, which is the central building in the Palace Of Fine Arts.