The Jolie-Pitt family open their photo album – and give PEOPLE an inside look at their visit to Cambodia. For more on their trip, check out PEOPLE's new issue, on newsstands Dec. 15.
"Sometimes he'll even show me things as if I've never been there," says Jolie about Maddox (greeting a Maddox Jolie-Pitt Project ranger). "He knows I'm happy to hear about it. He'll explain to me, 'Oh, yes, Cambodian mothers always feed their kids this.' And I'll say, 'Really? That's fascinating. I didn't know that.' "