Vintage Fast Food Restaurants That You Are Definitely Missing

13. Isaly’s

Isaly’s is one of the oldest chain restaurants on our list. Isaly’s was founded back in the 19th-century ad they became known for inventing the famous Klondike Bar.  The name of the company is an acronym which states, “I shall always love you, sweetheart.” Of course, the founder was also named Isaly so take from that what you will.