Portland is home to many so-called “haunted” businesses, residences, and public spaces. (See “Portland’s Most Haunted Places [That You Never Knew Were Super Fucking Haunted]!” on pg. 5 for more examples.) But how haunted are they really? The Mercury decided to find out by picking four of Portland’s most famously spooky places and testing their alleged paranormality with SCIENCE. How? By purchasing the most scientifically stringent ghost hunting app on the internet, the Ghost Tracker.