There are all sorts of things you’re supposed to ask a real estate agent when you’re house hunting. Any flood damage, property costs, any leaks, blah blah blah. But the number one thing you should always remember to ask is: “Is this house haunted?” Seriously, you’ll thank us. The Conjuring starring Vera Farmiga and Patrick Wilson hits theaters today, and it centers around a couple who didn’t ask this all important question. And as a result, they’re getting the crap scared out of them hardcore. But they’re hardly the first to have forgotten to ask the golden question. Read on to check out our list of the 10 scariest haunted houses in movie history!