Here's an extra Halloween treat for you: this year, the ghoulish holiday falls on a Friday. That, of course, means party time.

And who better to party with than Elvira, Mistress of the Dark? She's trick-or-treating in Philadelphia during the Halloween Weekend, stopping at the city's creepiest spots before throwing an all-out Haunted Halloween Bash.

But the party doesn't end there. Check out our Top 10 Picks for getting ghostly in Philadelphia, one of the nation's most haunted cities.