And 20 Things to Eat  10 Summer Food Destinations          For a
taste of American Graffiti, seek out L.& B. Spumoni Gardens
(2725 86th Street, Brooklyn, 718-449-1230) on a weekend evening,
when the action goes far into the night. Girls in polka-dot
scarves sit at red picnic tables as boys cruise by in SUVs, and
a traffic jam forms with this beloved institution as its focus.
There's lots of dross on the three menus (pizza parlor, spumoni
dispensary, sit-down joint), but you can't go wrong ordering the
rectangular Sicilian pie, constructed in the upside-down style
with the gooey cheese on the bottom and the bright tomato sauce
mottled artistically on top. It's a beaut! 1/2 tray = 12 slices
= $16. Chase it with a spumoni, of course.  Finally, pair a
visit to the New York Botanical Garden (200th Street and
Kazimiroff Boulevard, Bronx, 718-817-8779) with a southward trek
to the Bronx's famous Albanian neighborhood, Arthur Avenue. I
skip the amusement-park attractions at the former, and head
right for the undevelo