Mentioned by Philadelphia 2 days itinerary
2 Days in Philadelphia – A Weekend in Philadelphia Itinerary for Fun Sightseeing & More
"Take a 75 to 90 minute guided excursion of Independence Park and Society Hill, led by a costumed narrator. You’ll see everything from haunted houses and spooky graveyards to eerie abandoned gardens and narrow streets. Learn about the secrets of “America’s most haunted city” as you’re escorted to places of real documented hauntings."