The following Canadian cards earn points that can be converted to American AAdvantage Miles:

American Express Cobalt Card (C$1 = 1.2 to 6 Marriott Points = 0.4 to 2.5 Miles)
American Express Gold Rewards Card (C$1 = 1.2 to 2.4 Marriott Bonvoy Points = 0.4 to 0.8 Miles)
American Express Green Card (C$1 = 1.2 Marriott Bonvoy Points = 0.4 Miles)
Diners Club Club Rewards Mastercard (C$1 = 0.80 Miles)
Marriott Bonvoy™ American Express®* Card (C$1 = 0.67 to 2.08 Miles)
mbna Best Western Rewards Mastercard (C$1= 0.20 to 1 Mile)
RBC Avion Visa Infinite Privilege (C$1 = 0.875 Miles)
RBC Avion Visa Infinite Card (C$1 = 0.7 to 0.875 Miles)
RBC Visa Platinum Avion Card (C$1 = 0.7 Miles)
The Platinum Card from American Express (C$1 = 1.2 to 3.6 Marriott Bonvoy Points = 0.4 to 1.5 Miles)

1,000 Bonus AAdvantage Miles for every qualifying stay of 2 or more nights at more than 150 participating U.S. Hyatt hotels in Austin, Boston, Chicago, Honolulu, Los Angeles, New York, San Diego, San Francisco, Seattle and Washington, D.C. Valid for stays Jul 5 - Sep 5, 22 Click here for more details & to register for this offer. 

You can view all the participating hotels after you register or see them here.