Here is a pretty nifty US golf course explorer put together by BunkerShot.com. It mashes up Google Maps (and VE) satellite data from some of the best US golf courses into a great Flash viewing interface:
Other Google Maps "golf" resources:
Golf Courses: WA, OR states
Golf Courses - Sydney, Australia
US Frisbee Golf Locations
Golden Gate Park "Disc Golf"
Technorati Tags: [Google Maps], [golf]