High quality costumes and props are set in an abandoned farmhouse. Also - there are blackouts on Nov 8th and 9th where you get one glow stick and have to sign a waiver.
This 30-room maze is Colorado's largest haunted attraction, promising to dampen your crotchal region as you make your way through a) electrocution chambers, b) a 120 year-old barn, c) torture cages, d) an underground root cellar, and 26 other totally messed up venues. Scarier still: it's in Arvada.
If the drive out to Boondocks isn't enough to scare you, maybe the fact that it's set up in a tent in the parking lot will? Bonus: This guy was voted one the scariest haunted houses in America by the Travel Channel.