" The Big W " at The Shops at Wiregrass

Yesterday I noticed this recently planted "Big W" at The Shops at Wiregrass. 

 

Does anyone remember what film in the 1960's is about a mad race to find "The Big W"? 

  

 

It's "The Big W" from the movie that came out just over 50 years ago that inspired "The Big W" in The Shops at Wiregrass sign:

 

 

 Here's the answer.