Concierge.com's insider take:

When Oprah mentioned Pizzeria Bianco on her show, the wait at this no-reservation pizza joint went from about an hour to more than three—yet it didn't discourage locals. Waiting is the easy part: There's a historic home next door that owner Chris Bianco converted into a bar so folks can order marinated olives, focaccia, and other snacks while they wait. The hard part is deciding on one of the six Neapolitan-style pies. They're a little larger than a plate, and some of the heavier ones, such as the Wiseguy—wood-roasted onions, house-smoked mozzarella, and fennel sausage—are big enough for two. Unless you've got extra-good karma, you won't find parking in the small lot on Seventh Street, so enter the garage on Fifth Street, just south of Van Buren, and have the restaurant validate your ticket.

Open daily. Exceptions: Open Tuesday through Saturday the first week in May; closed late August through mid-September.