Valley Forge National Historical Park is described as a haunted location due to its history as the harsh winter encampment for the Continental Army in 1777-1778, with reports of ghostly soldiers, disembodied campfires, and a persistent feeling of the soldiers' struggles with hunger, morale, and disease. Visitors have also reported seeing shadowy figures, men in tattered army clothing, and even a ghostly manifestation of a man hanging from a tree. Reports of seeing men dressed in Revolutionary War-era army clothing are common, with some accounts describing these figures appearing and disappearing near the park's historic sites. On foggy nights, some visitors claim to see the flicker of ghostly campfires on the hillsides where soldiers once camped, despite there being no actual fires present. The park is often described as having a "lingering energy" from the soldiers who endured immense suffering, and this is sometimes perceived as shadows or ephemeral figures. Many people report a palpable sense of the soldiers' struggle against hunger, disease, and low morale, with some believing that those who died during the encampment still remain in the area.