- Didn't see this until today, sorry if it's late....
From the Gibson.com FAQ page:
http://www.gibson.com/en-us/Support/FAQs/
"Our Nashville and Memphis locations do offer an opportunity for visitors to experience the craftsmanship and tradition that goes into each Gibson instrument. For insurance regulations, our other manufacturing facilities are prohibited from offering factory tours."
Gibson Nashville
161 Opry Mills Drive
Nashville TN 37214
615-514-2200 ext 2231
Gibson Memphis
145 Lt. George W. Lee Avenue
Memphis, Tennessee 38103
901.544.7998. ext. 4075
Silverbuster