With its unmarked door and a pitcher-of-beer-and-a-pizza-pie for under $20, it's hard to believe that Lee's Tavern serves what many consider to be New York's best pizza. And we're not talking "it's good for Staten Island" kind of pizza, we're saying that across the five boroughs, Lee's comes out on top. And all becomes clear when you take a bite: with its thin, thin crust, and rich, authentic,...