The prototype is in Cincinnati, Ohio, which is news to most New Yorkers. But despite that depressing bit of information, the Brooklyn Bridge is really a sight to behold. A number of firsts happened because of the Brooklyn Bridge, not the least of which was the incorporation of the five boroughs into the "Greater City of New York" (much to the chagrin of many a Brooklynite).
Manhattan entrance: Park Row and Centre Street, across from City Hall Park.
Brooklyn entrance: Stairs to Cadman Plaza East and Prospect Street, ramp to Johnson and Adams Streets.