The sign in the window proudly proclaims it as the “HOME OF THE WORLD FAMOUS HUCKLEBERRY MILKSHAKE,” and generations of Idahoans will testify that this isn’t mere hyperbole – it’s gospel truth.

Porterville sits prettily at the base of the Sierra Nevada foothills. This charming small town offers a perfect escape from big city hustle. The downtown area is lined with historic buildings that ...