Hill Valley, California is a fictional town that serves as the setting of the Back to the Future trilogy and its animated spin-off series. In the trilogy, Hill Valley is seen in four different time periods (1885, 1955, 1985 and 2015).If it was a real city, how long will it last?
1 day after people: The City goes dark as the power grid fails.
10 days after people: The clock tower of Hill Valley stops forever.
12 years after people: The Lyon Estates houses corrode and some buildings are covered with vegetation. The Biff Tannen hotel and casino is covered in vegetation and 50 of it's windows have fallen off and is corroded.
27 years after people: The corroded clock tower collapses.28 houses have collapsed.
34 years after people: Hill Valley high school is covered with plants and grass inside.
40 years after people: Hill Valley high school collapses. The Hill Valley cafe is corroded and the food inside has rotted.
60 years after people: The cafe collapses and 5 more houses have collapsed
75 years after people: Biff Tannen hotel and casino collapses.
95 years after people: At least 37 houses have collapsed.
100 years after people: The hill valley sign collapses.
1000 years after people: Hill valley starts to look like a forest.70 buildings in Hill Valley have collapsed.
100,000 years after people:62 houses have collapsed.
700,000 years after people: All the buildings in Hill Valley collapsed.Now Hill valley is a forest and is unrecognized.