20090 Belmont Harbor Light 41-56-32.004N 087-37-59.771W

Unable to answer "Does this road have lane markings?" – North Cannon Drive (Minor / Unclassified Road) – way/4309527 via StreetComplete 63.1:

Is a traffic island and yellow dividers a lane? Maybe this helps.

Attached photo(s):
https://streetcomplete.app/p/353332.jpg

Unable to answer "What kind of building is this?" – way/1181800629 via StreetComplete 60.1:

Seems like an addition to the Reserve building, maybe a guard post? I'm not sure.

No longer the New London City Hall. Old building still has City Hall on building but new City Municipal Building is at
215 N. Shawano St.