This is the 12355th most frequent Russian word.
канадских
"Canadian" (adjective, plural genitive form in Russian).
Here, 'канадских' is an adjective modifying 'приключениях', representing something related to Canada.
Я люблю смотреть фильмы о канадских приключениях.
I love watching movies about Canadian adventures.
In this sentence, 'канадских' modifies 'индейцев', indicating the origin or relationship to Canada.
Мы посетили музей канадских индейцев.
We visited the museum of Canadian indigenous people.
Here, 'канадских' acts as a modifier for 'хоккейных команд,' specifying their nationality or association with Canada.