The best sandwiches don't necessarily have lines around the block. There are best-kept secrets from coast to coast. These are 10 sandwiches you probably never heard of, should make a trip for, snap an Instagram of and eat at least once in your life.
If you're thinking of going to Greece this summer, stop thinking and start going. If you go to just one place, go to Santorini: surely an A-list candidate for Earth's most beautiful spot, and a newly-minted gastronomic hub.