That's amazing, and more amazing that you know and remember all that information!
I used to go thru Biltmore Castle
They were also clients in Asheville
They have a winery, dairy, fantastic rose(+) gardens, ice cream shop
The stables/paddocks are semi-attached to the main building
Carriages drove under a roofed area to drop them off in comfort
Commodore Vanderbilt brought over a German forester to set up "The Cradle of Forestry" in Pisgah Forest where the first Rangers were taught and set up a forestry school up in the mountains