Ariba Center
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Ariba Center is one of the major distinctive and recognizable features of the Pittsburgh, Pennsylvania skyline. The tower is named for the Ariba Corporation.
Ariba Center, originally known as One Oliver Plaza (and briefly as FreeMarkets Center), was completed in 1968. It has 39 floors, and rises 511 feet or 156 meters above Downtown Pittsburgh. The building sits at the intersection of Liberty Avenue, Sixth Avenue and Wood Street. Facing the Dominion Tower across the street, it shares a city block with One PNC Plaza and Two PNC Plaza; this "superblock" was created by the closing of Oliver Avenue in the late 1960's.
