Question: Where can i use my golden age passport?
Disambiguated questions and answers: question: Where could I previously use a 'Golden Age Passport'?
Where could I previously use a "Golden Age Passport" according to the National Park Service's description of the pass?
answer: United States National Parks
United States national parks
Federal recreation entrance or standard amenity fee sites
Natural Questions answer: United States national parks (from the Wikipedia article "Golden Age Passport")