Visit the historic Eisler Brothers Store on Kansas Route 66! (eislerbros.com)     You’ll find this historic gem on the shortest section of Route 66 in the United States. This segment in Kansas is only 13 miles long but is jam packed with historic treasures!      When we reached Kansas Route 66, our first stop was the Eisler Brothers Store in Riverton, Kansas.  See our post on this section of Route 66 here.     The store was originally built by Leo Williams in 1925, the year before Route 66 was designated. It has continuously been serving as a deli, grocery store and souvenir shop ever since.      The…