By my definition there is absolutely nothing in the entire world of golf that is natural. Nada. The objective instead is supreme naturalism. Alternately go entirely the other way; that presents its delights as well, at least in small doses.
No man's land lies where a designer tries and fails or half-tries. For in that no man's land lies....The Uncanny Valley of Golf Architecture [cue 'Toccata and Fugue in D Minor' -- https://www.youtube.com/watch?v=ho9rZjlsyYY#t=0 
].
Best toccata reference in the canon of great poetry:
http://www.victorianweb.org/authors/rb/toccata.html