Season: A Letter to the Future is way more intense than your typical vacation bike ride

Late October in the Hudson Valley the leaves had peaked and all turned to brown. You could take the train out of the city and bike the rest of the way, up into the highlands from the river. In the mountains there was an old trail, and after a few miles of gravel it bent with the earth and the New Croton Dam came into view. Over 2,000 feet of sun-bleached stone blocks stretching nearly 300 feet high at their tallest point.








Late October in the...