The Erie Canal flows down Main Street of Palmyra, New York. Because the movie was shot in Tennessee, production designers actually built an artificial Erie Canal down the middle of the 19th century Main Street they had built.
Now, about those gold plates...
Nathan Steed: You said there weren't any gold plates.
Joseph Smith: No, I said I don't have them. And I don't.
Nathan states to Joshua that Sunday, October 3, is their Ma's birthday, but if the movie took place in the year 1827, October 3 is a Wednesday. Otherwise, it means the movie took place in 1824, or possibly the futures of 1830 or 1841.
$251,145 28 November 2004