MEMPHIS, Tenn. (AP) — When Graceland opened to the public 30 years ago this month, nobody knew if it would be a success. Nearly 18 million visitors later, the house where Elvis Presley once lived is a money-making business that’s helped transform the city of Memphis into a top destination for music lovers.

But Presley’s ex-wife says it’s the spirit of Elvis, and not just music history, that keeps the crowds coming to Graceland.