I've been road-tripping with my family from Madrid, where they picked us up to Manuel's land, Palencia, to my place, near Tarragona, then to my dad's hometown in Valencia, back to my parents'. The last day in Madrid we had a chance to see an exhibition of Helen Levitt's photographs and, my dear, what a pleasure they were. Not only did they bring you back a whole bunch of decades, but they also had a sense of narrative, of mistery, of humanity. I REALLY enjoyed them.
If you don't know her work, try and catch a catalogue (easily available online) to browse through.