If you aren't regularly exploring the Philly detritus available on the Internet Archive, you're missing out on an abundance of historical/cultural information related to the city and its often sordid past. My latest obsession found on the site is the 36-page pamphlet from the Arcade Hotel (a three-story, 116-room getaway formerly located on Chestnut between Sixth and Seventh that came and went long before any of us were born) that instructs visitors of "places of interest, public buildings, churches, places of amusement, and with directions of visiting the same" that was published in 1856. The work is available in its entirety for your perusal here, with the following excerpt from the end of the brochure being especially noteworthy:
Maybe it's just my twisted worldview, but I find it oddly comforting to know that Philadelphia has always been a place where strangers are looking to pull one over on you...and likely will continue to be long after we have all returned to the ground.