Houston Terror Dome is a safe Houston haunted house designed to scare the DAYLIGHTS out of you. Think you can handle it? At Houston Terror Dome most of the budget is put into building the most elaborate haunted house legally possible. Experience the most terrifying of all Houston haunted houses. Bring a change of underwear! You are going to need it!!! This year we have improved our haunt with new themes, new effects, and new characters to ensure not even last year's .