Use the Built in EMF reader and see if there are spirits nearby. Along the way You will see classic landmarks like the Knight House, the Old Rittenhouse Inn, and the Carnegie Library, hear stories about ghostly innkeepers, toe‑tickling librarians, and a trench‑coated wanderer, like the mysterious “Irene” said to slam doors and stroll the Blue Room at Greunke’s as if check‑out time never came. Go at your own pace, anytime. the tour is on our walking tour app. The app provides a built in EMF reader you can use anytime by clicking the EMF button. The tour never expires. Listen again anytime.