This month in Maine has seen the final destruction of the historic abandoned Warumbo Mill in Lisbon. It was used in Stephen King's 11/22/63 as the site next to where the main character appears through time travel.
In 1987 it had a major fire leaving the below. The fire fully destroyed the 1864 portion:
Until this month, the 1920s section was a looming abandonment in the downtown:
I was on a trip to another site today and ran across what is left. It was a sad end for a historic site: