It's a tradition as all-American as a slice of apple pie — and likely the place where you'll find one. The American diner has endured food fads, recessions, depressions and even a few pandemics.

Here are some of the diners in Connecticut where you can get a hearty meal during late-night hours and, in some cases, all night long: Elmer's, a popular 24-hour diner in Danbury, features a giant ...