There is a similar setup to this somewhere near Adairsville, GA at a church. I might try to find it again someday.
Edit: Just passed by the church, I am sad to say it is gone now.

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- 3AAB33C7-636D-4B69-83D3-0C0DD5BFAE88.jpeg (641.6 KiB) Viewed 12898 times
(last photo is from google streetview, in 2021)