Serendipity
New York
225 E 60th St, Upper East Side
(212) 838-3531
Between Second Avenue and Third Avenue
4, 5, 6 train at 59th St

Known for their frozen hot chocolate, Serendipity in New York is absolutely the best place to get ice cream in all of Manhattan.  They've got pasta, hot dogs, and burgers, too, but man, that frozen hot chocolate is amazing (from over a dozen types of chocolate).

Serendipity in New York is cozy and fun and well-known by all the locals as a great place for ice cream.