I guess I interpreted this a bit differently that other players today. I wasn't thinking of a church but of a place of natural beauty with a feeling like a cathedral - Muir Woods, a redwood grove north of San Francisco CA. And, if you look at zazzle.com, you can even find a stamp with a redwood grove image:
I have been there and the tall trees are like pillars in a cathedral, with the light filtering down, dappling the ground. Because of the low light, there is little undergrowth and nearly open ground between the trees. It really is a worshipful place.
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