There is delta.com award deals webpage (which is generally not very useful), but there is no map type search feature if that is what you are hoping for. It would be helpful to know if you have any particular destinations in mind. You will almost certainly not find anything good to US/Canada due to harmonization of award levels on partner/DL metal last Fall (even before harmonization, the cheapest partner award levels to US/Canada generally had a 60 day AP).