From a News Release:

nickel plate rr steamtown

(in addition to Steamtown NHS, there are other excursions in the state. See the Fort Wayne RR site)

Steamtown National Historic Site and the Fort Wayne Railroad Historical Society will partner with Norfolk Southern’s 21st Century Steam program to operate two special summer steam excursions!  Nickel Plate Road (NKP)  #765, a 2-8-4 Berkshire-type steam locomotive, owned by the Fort Wayne group, will operate on Saturday, September 5, to Delaware Water Gap, and on Monday, September 7, to East Stroudsburg.  NKP #765 is a “sister” locomotive to Steamtown’s NKP #759 locomotive, on static display inside the park’s Roundhouse.  Tickets will be sold online only, and sales are expected to open soon at http://fortwaynerailroad.org/

Located in downtown Scranton, Pa., Steamtown National Historic Site is open daily from 9:00 a.m. – 5:00 p.m.  From I-81 follow exit 185 (Central Scranton Expressway); then, follow the brown and white signs to the park entrance at Lackawanna and Cliff Avenues (GPS: N 41.41, W 75.67).  General park information is available by phoning (570) 340-5200 during regular business hours, or by visiting the Park website anytime at www.nps.gov/stea.