Tether

To create a Places That Is, a prospective Curator needs Someone Who Makes to guide you through the ritual called Home on the Range.
It requires a siginificant investment of time and communication with Them Who Makes in order to find out what drives you to create your very own Place That Is. For you are not merely building a house - you are creating a magical entity bound to you and aligned with your vision. The tether symbolizes that vision and intent and makes it permanent, and over time your Place That Is will grow around the seed of the tether and it will become more and more powerful, supporting you in your mission.
Your mission - or your intent, as some prefer to call it - can be very plain and simple: a hunting base from which you can hunt for fur and process the haul, or maybe a small, secluded hermitage where you live off the land without another human in sight.
The former's tether might be a massive deer skull that inspires you and your hunting partners to weave their best stories when the weather is howling around the house after a successful hunt, and your Place That Is might reach out to other hunters or traders, inviting them in for opportunity.
The latter's tether might be something small and personal - a brooch, maybe, or a painting. As time grows, this Place That Is would actively try to conceal its existence from travelers and persuade them to take directions away from it.
And of course, there's still other, more sinister missions. A bloody axe might be a bandit hideout's tether, regularly fed with the fresh blood of their new victims it attracted. After all, this is a world that knows your innermost thoughts and reacts to it.