Sullivan County Pennsylvania has 8 places on the National Register of Historic Places including 1 place of National significance and 2 places of Statewide significance. Significant places include Worlds End State Park Family Cabin District, Eagles Mere Historic District and Hillsgrove Covered Bridge, Etters Bridge and Forksville Covered Bridge.
Some of the country's most noteable architects helped create the Sullivan County places including CCC Camp S-95, Theodore Burr, Sadler Rogers, Clemuel Ricketts, Phoenix Bridge Co., Wagner & Reitmeyer and Dean & Westbrook. Prominent architectural styles found in Sullivan Country are Bungalow/Craftsman, Georgian and Prairie School.