Anyone who can survive in this horror house will receive thousands of euros - no one has done it yet. McKamey Manor moved from San Diego to Summertown in Tennessee and to Huntsville in Alabama in 2017.

Visitors are required to sign a 40-page waiver, watch a two-hour video of people who have not completed their "tour" and provide a doctor's certificate of excellent physical health. On top of that, they must pass an on-site drug test and fulfill a few other points.