There's a Keats Walk in Winchester, England where you can retrace Keats's footsteps on the walk he took on September 19, 1819, which inspired "To Autumn." You have enough frequent flier miles to make it to England, right? (Source)
As of February 2008, the town of Winchester, England had the worst ecological footprint in the United Kingdom. In this article the author is horrified at what Keats would think. The English take their Romantics very seriously.
You know a poem is important in American culture when the New York Times devotes an entire editorial to it. Read it here.