Day 13 of the top 20 of 2023
Acadia, Maine - Vibrant colors of fall this year.
Quick Biology lesson - courtesy of the US forest service
"A succession of warm, sunny days and cool, crisp but not freezing nights seems to bring about the most spectacular color displays. During these days, lots of sugars are produced in the leaf but the cool nights and the gradual closing of veins going into the leaf prevent these sugars from moving out."