Washington Run (Youghiogheny River tributary)

The Layton Bridge is a Pratt truss bridge over the Youghiogheny River in Layton, Pennsylvania. Originally built for the Washington Run Railroad, construction began 1893 and was completed in 1899. The last train crossed in 1931. The bridge and a tunnel immediately to its south were converted to a single automobile lane in 1933 as part of a road that connects Layton with Perryopolis, near the suspected location of the eighteenth-century Spark's Fort. The bridge has not been painted in recent years and its members are now corroded.

Layton is an unincorporated community in Fayette County, Pennsylvania.

Searight's Fulling Mill is a historic fulling mill located at Perryopolis, Fayette County, Pennsylvania, USA. It was built about 1810 and is a 2 1/2-story, sandstone building with a gable roof. It measures approximately 20 by 30 feet (6.1 by 9.1 m). The mill closed in the 1820s and was converted to a dwelling. It was added to the National Register of Historic Places in 1973. The mill is named after William Searight, who built the mill on a farm previously owned by George Washington. Searight is credited for realizing that small fulling mills could not compete with city based factories served by railroads, and left the fulling business before his mills became unprofitable.

The Youghiogheny Bank of Pennsylvania, also known as the Old State Bank, is an historic, American bank building that is located in Perryopolis, Fayette County, Pennsylvania.

The Karolcik Building, also known as the Perry Theater, is an historic American commercial and theater building that is located in Perryopolis, Fayette County, Pennsylvania. It was added to the National Register of Historic Places in 1997.

Perryopolis is a borough in Fayette County, Pennsylvania, United States. The borough is part of the Pittsburgh metropolitan area. The population was 1,705 at the 2020 census.

St. Nicholas Byzantine Catholic Church, also known as St. Nicholas Greek Catholic Church, is a historic Catholic Church church at 504 S. Liberty Street in Perryopolis, Fayette County, Pennsylvania. It was built between 1912 and 1918, and is a 30 feet by 60 feet yellow brick building in the Byzantine Revival style. It has a cruciform plan and the gabled roof is topped by four onion domes. The church served a community of Rusyns who originally settled in the area prior to 1907. It was added to the National Register of Historic Places in 1997.

Frazier High School is a rural, public high school. It is the sole high school in the Frazier School District. It is in northern Fayette County, Pennsylvania, in the town of Perryopolis. In the 2015–2016 school year, enrollment was reported as 340 pupils in 9th through 12th grades. Frazier High School was established in 1966, and resulted in the consolidation of the Perry and Lower Tyrone School Districts. The school was last renovated in 1990, when space was reconfigured for the addition of the Frazier Middle School, the high school's sole feeder. The name comes from Mary Fuller Frazier, a wealthy resident who gave an endowment to the district for the improvement of the school system. The Intermediate Unit IU1 provides the school and the district with a wide variety of services like specialized education for disabled students and hearing, background checks for employees, state mandated recognizing and reporting child abuse training, speech and visual disability services and criminal background check processing for prospective employees and professional development for staff and faculty.

The Alliance Furnace, also known as Jacob's Creek Furnace and the Alliance Iron Works, is an historic iron furnace, which is located in Perry Township, Fayette County, Pennsylvania. It was added to the National Register of Historic Places in 1991.

Whitsett is an unincorporated community in Fayette County, Pennsylvania, United States, approximately 30 miles (50 km) south of Pittsburgh. The population is estimated at 200. It was founded in 1845 by Ralph C. Whitsett Sr. He and his family built a large red brick house in 1873, which still stands today. The community is made up of mostly “company” houses that were built for workers who worked in a large coal mine located nearby; the mine was Banning #21. Most of the houses were semi-detached "twins" built to accommodate two families. The mine has been closed since 1954 and most of the houses have been renovated and turned into single-family dwellings.

Virgin Run is a 3.44 mi (5.54 km) long 2nd order tributary to the Youghiogheny River in Fayette County, Pennsylvania. This is the only stream of this name in the United States.

Barren Run is a 5.63 mi (9.06 km) long 2nd order tributary to Jacobs Creek in Westmoreland County, Pennsylvania.