Great national championship venues are marked by history, character and -- amidst a course setup formula that can reward a monotonous and unimaginative style of play -- interesting golf. While Golden Age courses still make up the core of a de facto rota, the USGA has ventured to new places in recent years, most notably Bethpage Black, while Erin Hills and Chambers Bay are on deck. I'm still partial to the classics, although it's important that these oldies keep making improvements, as next year's host, the Olympic Club, and Pinehurst No. 2, the site in 2014, are doing. That said, the youngest of the following five was built in 1923.