Where was The Incredible Petrified World filmed?

1959 film directed by Jerry Warren

The Incredible Petrified World (1957) was filmed in Tucson and Colossal Cave, 2 places named in its Wikipedia article's Production section, in the United States. Wikidata records no filming location for it at all, so the article is the only recorded source. Each place says where its claim comes from.

See them on the map → Wikipedia Source data