This webpage has a redirect loop

[BlackHawk1776]

On the main Mammoth page, clicking on the Mammoth Lodging Collection $100 gift card link yields this error in Chrome and similar errors in other browsers as well.

Chrome:
"This webpage has a redirect loop"

Firefox:
The page isn't redirecting properly
Firefox has detected that the server is redirecting the request for this address in a way that will never complete.

IE:
Bah, I don't use IE so I didn't test it.