Bradley Palmer State Park © Botteville / Public domain, via Wikimedia Commons
The sign at the Topsfield entrance gate to the old Bradley Palmer estate. This is the only paved entrance currently open.

Bradley Palmer State Park © Jtrawleigh / CC BY-SA 4.0, via Wikimedia Commons
Willowdale Estate Parlor

Bradley Palmer State Park © Unknown authorUnknown author / Public domain, via Wikimedia Commons
Pre-1915 Photo of Willow Dale

Bradley Palmer State Park © Botteville / Public domain, via Wikimedia Commons
Bradley Palmers house, rescued from ruin by the state and currently rented to private parties for various purposes. A sign before the house says Private Property i.e., park visitors are not free to wander the house and its vicinity. Use as an inn was at some point contemplated.