this is not really a waterfall, suggest tagging as something else or actually adding the pipe and also setting the name as the description or note since this is not a proper name: https://www.openstreetmap.org/node/545377192

some roads on campus here are permissive for public access since there are trails here open to the public, suggest assessing what roads are permissive and update access tags accordingly, unclear why these were tagged private recently as private ownership does not necessarily mean access is private...

Amsterdam town node: https://www.openstreetmap.org/node/3329813669 looks like a duplicate of this better placed town node: https://www.openstreetmap.org/node/158851239 suggest removing node 3329813669 to remove duplicate

pretty sure this office poi https://www.openstreetmap.org/node/7496609906 does not belong here inside the courthouse... suggest moving it to correct location

Deer Haven Park via https://deerhavenpark.org/ has 7,000 acres inside the old depot here set as conservation land, but its unclear what land it actually owns here, if someone can verify the conservation boundary and add it to the interior of the depot that would help

suggest adding relation or area for these chalets to remove duplicate information

road is closed to public access sunrise to sunset which should be added here: see conditional access time section https://wiki.openstreetmap.org/wiki/Key:access, and road also allows pedestrian, bike, cross-country skiing, and snow-shoeing access which could be added as well. road is not plowed during winter so additional tag for winter service should be added: https://wiki.openstreetmap.org/wiki/Key:winter_service. Road access info here: https://www.nps.gov/sara/planyourvisit/hours.htm

all these building footprints in this area should be split up into individual buildings as they are not all one structure...

this street in some developer maps here say this is called 'Town Square Place' can someone confirm on the ground?