The Story of the Nightmare at Gravity Hill Haunted House As you enter the gates of the adjacent haunted fields of the Nightmare at Gravity Hill, it begins… 30 minutes of spine chilling walkable haunted trails and creepy themes and adventures… This not a hayride where you can hide from the creatures of the night..! Cost: $20.00/Express pass $30.00 Wear comfortable shoes! Sorry we no longer have Zombie paintball. Read more…