The Park System has a number of sites listed on the National Registers of Historic Places that open for free tours. Schedules vary by site. (Please note that not all sites may be open today.) Click on the above link for details.

See the 19th century gristmill in action at Historic Walnford, Upper Freehold. Each demonstration lasts approximately 15 minutes. FREE!

Head to the farmhouse at Historic Longstreet Farm, Holmdel, to hear popular turn-of-the-19th-century ballads. FREE!

Learn how potatoes were grown and harvested at the end of the 19th century. Help the Longstreet Farm staff bring in the crop and dig some potatoes for your own family. Weather and field conditions permitting. FREE!