Barlow, Pennsylvania

Spangler–Benner Farm is a historic farm and national historic district located at Mount Joy Township in Adams County, Pennsylvania. The district includes nine contributing buildings and two contributing structures. The contributing buildings are the sided log farmhouse (1870), frame bank barn (1864), log summer kitchen (1802), smoke house, spring house, wagon sheds, tools sheds, and machine shops. Contributing structures are a wooden silo and metal windmill, erected in 1900. The farm has been in continuous ownership by the same family since 1802.It was listed on the National Register of Historic Places in 1992.

Big Round Top is a boulder-strewn hill notable as the topographic high point: 3  of the Gettysburg Battlefield and for 1863 American Civil War engagements for which Medals of Honor were awarded. In addition to battle monuments, a historic postbellum structure on the uninhabited hill is the Big Round Top Observation Tower Foundation Ruin.

Horner House and Barn, also known as Alexander Horner House and Locust Grive Farm, is a historic home and barn located at Cumberland Township, Adams County, Pennsylvania. The house was built in 1819, and is a 2+1⁄2-story, five-bay vernacular Federal style dwelling. It has a main block and rear ell, and sits on an uncut fieldstone foundation. The bank barn was built in 1840. The barn has two levels and measures 100.5 by 50 ft (30.6 by 15.2 m). Also on the property is a contributing equipment barn, built in 1916, and an early 19th-century detached summer kitchen.It was listed on the National Register of Historic Places in 2007.

Cumberland Township is a township in Adams County, Pennsylvania, United States. The population was 7,033 at the 2020 census. In 1863, the American Civil War Battle of Gettysburg took place mainly in Cumberland Township, which surrounds the borough of Gettysburg on three sides.

Little Round Top is the smaller of two rocky hills south of Gettysburg, Pennsylvania—the companion to the adjacent, taller hill named Big Round Top. It was the site of an unsuccessful assault by Confederate troops against the Union left flank on July 2, 1863, the second day of the Battle of Gettysburg, during the American Civil War. Little Round Top was successfully defended by a brigade under Colonel Strong Vincent, who was mortally wounded during the fighting and died five days later. The 20th Maine Volunteer Infantry Regiment, commanded by Colonel Joshua Lawrence Chamberlain, fought its most famous engagement there, culminating in a dramatic downhill bayonet charge. The battle at Little Round Top subsequently became one of the most well-known actions at Gettysburg, and of the entire war.

The Round Top hospitals during the Battle of Gettysburg were located at the Little Round Top side of the Gettysburg Battlefield at 2 houses now in the community of Round Top, Pennsylvania.

Devil's Den is a boulder-strewn hill on the south end of Houck's Ridge at Gettysburg Battlefield, used by artillery and sharpshooters on the second day of the 1863 Battle of Gettysburg during the American Civil War. A tourist attraction since the memorial association era, several boulders are worn from foot traffic and the site includes numerous cannon, memorials, and walkways, including a bridge spanning two boulders.

The Alabama State Monument, also known as the Alabama State Memorial, is a monument which is located in the Gettysburg National Military Park. It memorializes the Confederate units from Alabama that took part in the Battle of Gettysburg.

Round Top Station was the southernmost station of the Gettysburg and Harrisburg Railroad and was located west of a blacksmith shop along the Taneytown Road that was in operation in 1880.

White Run is a Pennsylvania stream which flows along the Gettysburg National Military Park (East Cavalry Field) and is an eponym of the Rock Creek-White Run hospital complex for field hospitals of the Battle of Gettysburg. The run's mouth is at Rock Creek near the Trostle Farm along the Sachs Road, site of a hospital east of Round Top, Pennsylvania.

Round Top is a populated place in the U.S. state of Pennsylvania, near Little Round Top. It is notable for two Battle of Gettysburg hospitals, the 1884 Round Top Station, and several battlefield commemorative era attractions such as Round Top Park and the Round Top Museum. The unincorporated community lies on an elevated area of the north-south Taneytown Road with 3 intersections at Blacksmith Shop Road to the northeast, Wheatfield Road (west from "Roundtop"), and Sachs Road (east from "Sedgwick").

The Mason and Dixon West Line Milestone Markers 76 and 77 are historic objects that are located in Frederick County, Maryland and Adams County, Pennsylvania, United States, near the community of Harney, Maryland. They are two of the original milestones that mark the Mason-Dixon line between the states of Maryland and Pennsylvania.They were listed on the National Register of Historic Places on August 21, 2018.