Does anyone have any suggestions on some winter caches that we should not miss in Old Quebec City ?Thanks!

This one was fun and a taste of history
http://www.geocaching.com/seek/cache_details.aspx?guid=0bf0fc70-b897-48a3-ac94-ac2d69d9c0ef
GCHKWJ
It's a cannon ball imbedded in a tree. The tree grew around it over the years. Right in the old down town.