The National Museum of Industrial History, Colebrookdale Railroad and Steel Street Tours will host a docent-led NMIH tour and a “Secret Valley” train ride from 12:30 to about 6:30 p.m. on Sept. 27. The event benefits the National Museum of Industrial History and Colebrookdale Railroad, two nonprofit organizations dedicated to preserving history.

The NMIH tour will be followed by a ride with Steel Street Tours to the Colebrookedale Railroad, Boyertown, for a round-trip train excursion. Water and a snack will be provided on the Steel Street Tours portion. Refreshments are available for purchase on the train. There are full restroom facilities onboard.

Following the train ride passengers will be transported back to Bethlehem with an ETA of 6:30 p.m. For information and tickets, visit http://nmih.org/nmihevents/secret-valley-expedition/.