Where was 36 Hours filmed?
1965 film by George Seaton
36 Hours (1965) was filmed in Yosemite National Park and Wawona Hotel, 2 places named in its Wikipedia article's Production section, in the United States. Wikidata itself records the shoot only as California. Each place says where its claim comes from.
Places per Wikipedia's Production section
Wikipedia’s Production section names 2 places. Each links to the sentence that says so.
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Towns & cities
Yosemite National Park
United States
National park in California, United States
“Most of the film was shot in Yosemite National Park.” Wikipedia
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Landmarks & buildings
Wawona Hotel
United States
Lodge in Mariposa County, United States of America
Recorded only at country level
Also filmed in California, but the exact places are not known, so they are not on the map.
Filming locations that are mapped there: United States