If you go to the nth website and use the product locator... it gives an option for "find it locally"... so you should try this even though I suspect it won't really get you there but I'd like to be wrong.
For example, I tried to locate "crocodile" and this produced a list of them... selecting "find it locally" also came up with grand central in Nebraska as suggested above.
And that might be... also
I just noticed there are some that mth says it has in stock and offers a "buy it now" icon on the search list. This shows one I after I selected it.
https://mthtrains.com/20-5671-1#tab4