TIL in "Friday the 13th" (1980), the Camp Crystal Lake scenes were shot at a real camp in New Jersey, Camp No-Be-Bo-Sco. It’s still in operation today as a Boy Scout camp.

https://en.wikipedia.org/wiki/Friday_the_13th_(1980_film)

https://www.reddit.com/r/todayilearned/comments/15r65mi/til_in_friday_the_13th_1980_the_camp_crystal_lake/