I think it's because of the way they're weighting "world class cultural assets". It sounds like these are basically tourist spots. Museums, and national herit

I think it's because of the way they're weighting "world class cultural assets". It sounds like these are basically tourist spots. Museums, and national heritage sites and things like that. DC has got TONS of those sorts of things, so it would make sense that it would rank high (at least abnormally high in that category)