Three Bridges, New Jersey

Northlandz is a model railroad layout and museum located near Flemington, New Jersey, built by Bruce Williams Zaccagnino.

The Rockafellows Mill Bridge is a one-lane Pratt thru truss bridge that carries Rockafellows Mill Road over the South Branch Raritan River in Rockefellows Mills, Hunterdon County, New Jersey. The bridge was added to the National Register of Historic Places on January 26, 1990, as part of the Raritan–Readington South Branch Historic District.

Rockefellows Mills (also spelled Rockafellows Mills) is an unincorporated community located within Raritan Township in Hunterdon County, in the U.S. state of New Jersey. The settlement is located along the South Branch Raritan River near Three Bridges. The river is spanned in the area by the historic Rockafellows Mill Bridge built in 1900 and part of the Raritan–Readington South Branch Historic District. Most of the area within the Raritan Township side of the river is forested however on the north side of the river in Readington Township, some farmland dots the area.

Cloverhill (or Clover Hill) is an unincorporated community located at the intersection of the boundaries of East Amwell and Raritan townships in Hunterdon County and Hillsborough Township in Somerset County, in the U.S. state of New Jersey. The Clover Hill Historic District was listed on the state and national registers of historic places in 1980.

Barley Sheaf was an unincorporated community located within Readington Township in Hunterdon County, in the U.S. state of New Jersey. It was named for the grain once grown in the region. The hamlet was on Barley Sheaf Road between County Route 629 (CR 629) and CR 523. The hamlet at one time housed a general store, a post office, blacksmith, creamery, a hotel and numerous farmsteads. Today only farms remain of the hamlet. The hamlet also carried the names of Farmersville and Campbellsville after Catherine Campbell, who ran the hotel in the area.

The John Reading Farmstead is a historic house located at 76 River Road by the South Branch Raritan River in Raritan Township, near Flemington in Hunterdon County, New Jersey. It was built in 1760 for John Reading, former governor of the Province of New Jersey, 1757–1758. The house was added to the National Register of Historic Places on November 21, 1978, for its significance in agriculture, architecture, politics, and exploration/settlement.

Darts Mills is a historic unincorporated community located within Readington Township in Hunterdon County, in the U.S. state of New Jersey. It is located on the South Branch of the Raritan River, and several mills were built there in the early 18th century. At its height, a merchant, blacksmith, store and complex of mills were here. The last mill at this site burnt down in 1994. Foundation walls and a mill race remain at the site today. On April 29, 1982, Dart's Mill was added to the National Register of Historic Places.

The Raritan–Readington South Branch Historic District is a 556-acre (225 ha) historic district along River Road from New Jersey Route 31 to U.S. Route 202 near Flemington in Hunterdon County, New Jersey. It is primarily on the western side of the South Branch Raritan River in Raritan Township. It extends onto the eastern side of the river in Readington Township. County Route 523 and County Route 612 pass through the district to the north. The district encompasses the small settlements of Holcomb Mills, Flemington Junction, and Rockefellows Mills. It was added to the National Register of Historic Places on January 26, 1990, for its significance in architecture, politics, transportation, and exploration/settlement. The district includes 36 contributing buildings, four contributing structures, and three contributing sites. It also includes the John Reading Farmstead, previously listed on the NRHP individually.

Pleasant Run was a hamlet in Readington Township, Hunterdon County, in the U.S. state of New Jersey. Located along Campbell's Brook (now also called Pleasant Run), the hamlet consisted of farms, a schoolhouse and a general store. The brook was named after John Campbell, who purchased the land around it in 1685.

Flemington Junction station is a defunct Lehigh Valley Railroad station in Flemington Junction, New Jersey. It was located at the junction of the Lehigh Valley's Flemington Branch and Main Line, although the name predated the opening of the branch by eight years. The Lehigh Valley Railroad, via its Easton and Amboy Railroad subsidiary, extended its main line east from Easton, Pennsylvania, to Jersey City, New Jersey, between 1872 and 1875. The extension officially opened on June 28, 1875. The location, which had passenger service but no passenger building, was then called Barton's Bridge. A stagecoach line carried passengers into Flemington, New Jersey proper. The company adopted the name "Flemington Junction" on April 16, 1876. A freight house opened later that year. A separate passenger building was not constructed until 1879–1882. The Flemington Branch, a 1.7-mile (2.7 km) line into Flemington, opened on August 4, 1884.As late as 1948 a gas-electric motor car made eleven round-trips per day between Flemington Junction and Flemington, but change was coming. Buses replaced the train over the branch in 1952; the buses themselves were withdrawn in 1957. The freight house was torn down in 1955 as business declined. Passenger service to Flemington Junction ended on February 4, 1961, with the end of all passenger service on the Lehigh Valley. The Lehigh Valley abandoned the building in 1963.The station building still stands and is a contributing property of the Raritan–Readington South Branch Historic District. The current building will be demolished by the end of 2019.

Reaville is an unincorporated community located along the border of East Amwell and Raritan townships in Hunterdon County, New Jersey. By the 1830s, it was known as Greenville. It was later renamed after Runkle Rea, the first postmaster in 1850.

Centerville was a hamlet within Readington Township in Hunterdon County, in the U.S. state of New Jersey. The community was located along Campbell's Brook (now Pleasant Run) and Old York Road. Centerville grew up because of a tavern that marked the halfway point on the long Swift Sure Stage Line route from New York to Philadelphia. The hamlet had a school, a store, a post office, a church and blacksmith. When the railroads and newer roads were built, Centerville saw few visitors and today all the buildings there are residences.