Upper Range Light

https://anthonynewmancamps.com/cross-country-camp/ Looks like an old school house, but it’s not a school house. It’s a light house.

source site The Upper Range Light is one of two range lights on the Ridges Sanctuary property in Door County.  Built in 1869 at a cost of $6,000, they were state of the art beacons for ships traveling the upper parts of Lake Michigan in the late 19th Century.