What Is the One Must-See Sight in Pittsburgh for a First-Time Visitor? A Complete Travel Guide Pittsburgh can be considered among the most underrated cities in the United States. This amazing destination combines the charm of its rich history, beautiful architecture, rivers, and culture. Located at the confluence of the Allegheny, Monongahela, and Ohio rivers, the city has successfully changed from an industrial one into a tourist destination. For the newcomer, choosing what