Philanthropist steel baron Andrew Carnegie spent much of his career building the steel industry in Pittsburgh, also known as Steel City. There are more than a dozen yellow steel bridges crisscrossing the Ohio and Monongahela rivers, skyscrapers mirroring each other’s steel grids, and light rails grinding on steel tracks. Pittsburg was named after the British Fort Pitt built in 1764. Today, only the blockhouse remains. Before the British were there, the French built Fort Duquesne there in 1754.

Carnegie paid for the four main museums in the city: a science museum, an Andy Warhol museum, and the combined museums of art and natural history. If you’re from any city bigger than Pittsburgh, only the Andy Warhol Museum will be worth your while. The other museums aren’t any better than the ones in Detroit, Washington D.C., or New York, which are less than a five-hour drive away.