do the metropolitan glide
The Metropolitan Museum of Art has a show up now called Framing a Century: Master Photographers, 1840-1940. Running 'til September 1st, it focuses on the thirteen masters from the new art form's first hundred years.
Here's one from the show by the Hungarian photographer Brassaï who spent years photographing the nightlife on the streets of Paris. It's called "Introductions at Suzy's."