The Sugar Shack Diner in Altoona, Iowa, is a time machine disguised as a restaurant, serving up nostalgia with a side of the ...

Step back in time and shake up your taste buds in Altoona, Iowa, where a little slice of the 1950s is serving up big flavors ...

This fan-favorite Shake Shack secret menu item is incredibly easy to order - as long as you know exactly how to ask for it.