The Sign Post Forest was begun in 1942 during the construction of the Alaska Highway (the Alcan). At that time, Carl K. Lindley, a U. S. Army Engineer, was tasked with fixing a "miles-to-destination" sign that had been damaged by a bulldozer. He decided to add his own hometown, Danville, Illinois, at 2835 miles. A tradition was begun, and over the years, over 71,000 signs have been added!
This is what the original sign looked like:
Here is how just a part of it looks today:
Some signs were obviously made ahead of time, and some on the spot. Here are some interesting ones: