Filmmaker Al Giddings seeks $7.8 million for his sprawling Montana ranch

Noted underwater director-cinematographer Al Giddings, whose credits include the Oscar-winning films “Titanic” and “The Abyss,” is looking for a buyer to surface for his longtime ranch in Emigrant, Mont.

Listed for $7.8 million, the property known as Emigrant Peak Ranch sits on nearly 3,000 acres...