Many architects in the past, especially those in the so-called "Golden Age of GCA," were either from GB & I, or made pilgrimages to the classic links of Scotland, Ireland, and Great Britain. What they brought back with them were the great designs of these courses, which have been reproduced many times over the years.
We all know the names used by MacDonald, Raynor, Dye, and many others....Short, Road, Alps, Cape, Redan(and variations), Double Plateau, High....etc...as the great holes of the past that maybe should even be copied more often.
If the great architects of the next 75 or 100 years are making "pilgrimages" or trips to see holes or styles of the great modern courses of the United States, what ideas or holes would they copy from what they see? Or are new ideas always sunk by the classics of the past?