Don't blink or you'll miss it.

This is a discussion for the courses that you've played on your travels that you feel everyone should play at least once, so if you have been somewhere and played a course like that, please add it here.
Aspen Mountain, home of the Kiss The Sky tournament, in Aspen, Co
Circle R, The Meadow in Wimberley, Tx
The Sinks in Chattanooga, Tn
La Mirada in Los Angeles and Oak Grove in Pasadena
The IDGC, home of the PDGA, etc etc etc

[Nascar Dave]

I hope to add MacKenzie Park on the big island to this list very shortly. These are must play courses around the country.