The World Trade Center Baltimore (WTCB) is Baltimore’s signature office building and the focal point of Maryland’s Inner Harbor.
https://en.wikipedia.org/wiki/Baltimore_World_Trade_Center
It is an I.M. Pei designed, award winning 296,139 rentable square foot, 31-story pentagonal office tower built in 1977 and is the world’s tallest regular pentagonal building in the heart of Baltimore’s corporate, legal, financial and tourism center.
https://www.flickr.com/photos/gruber/879345329/
