Horror Nights 2024 Houses For Rent. Visit halloween horror nights, the premier halloween event, at universal studios in los angeles, orlando and singapore. Universal studios hollywood kindly invited me to the opening night of this year's hhn, so i went through every single haunted house the park had to offer for the.

Here’s how they rank — including which house is the scariest. Visit halloween horror nights, the premier halloween event, at universal studios in los angeles, orlando and singapore.