Which of these geographical brand slogans was actually used in a real advertising campaign?

Test your knowledge of famous brand slogans that cleverly incorporate geographical landmarks or locations! Many companies have created memorable marketing campaigns by connecting their products to iconic places around the world. This trivia question challenges you to identify which slogan actually appeared in a real advertising campaign that linked a product to a famous geographical feature.

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"As Reliable as the Northern Lights" (Nokia)
"A Diamond is Forever. Just Like the Grand Canyon." (De Beers)
"Stronger Than the Rockies" (Ford Trucks)
"The Great Wall of Protection" (Allstate Insurance)