Thinking about it less from architectural heritage standpoint and more from a "current feel" standpoint, Merion has a lot of characteristics of some of the London courses. It squeezes effortlessly into a tight piece of property. It embraces the property's shortcomings rather than suffering because of them. The road on 2, 14 and 15, the quarry on 16-18, and the greens on holes like 2, 5 and 15, are very similar to a lot of the stuff in London. Also, like several London courses, Merion has a complex architectural lineage. It has been created by evolution much more than by pre-planning. And, on a side note, they cut the fairway right up to the bunkers, which is something I saw (and loved) at places like Woking or Worplesdon.