The massive National Mall, the centre of Washington DC, host to the best memorials and museums of the nation, the power centre of US politics.
There is so much to see, that even a week devoted to this place will not be enough. Short on time though, I was forced to do it in a fraction of that time. Nonetheless, I was blown away at the audacity, the scale of this place. Perhaps no other place on earth comes close that can pack so much culture, education and entertainment into one place. But the National Mall does this easily.
A must visit destination for anyone around the world.