Ridley Creek State Park

Edgmont Township is a township in Delaware County, Pennsylvania, United States. Edgmont contains the unincorporated community of Gradyville. The population was 3,987 at the 2010 census.

Gradyville is an unincorporated community in Edgmont Township in Delaware County, Pennsylvania, United States. Gradyville is located at the intersection of Pennsylvania Route 352 and Gradyville Road.The crossroads community is named for John Cadwalader Grady (October 8, 1847 – March 5, 1916), an American lawyer and politician from Pennsylvania who served as a Republican member of the Pennsylvania Senate for the 7th district from 1877 to 1903 including as President Pro Tempore from 1887 to 1890. Grady, a Philadelphia resident, owned a country estate in Edgmont Township, and the post office was Howellville when he moved there. When he bought the Howellville Hotel, he changed the name to the Gradyville Hotel, and then used his political influence to have the post office renamed "Gradyville" in 1890.

Tyler Arboretum is a nonprofit arboretum located at 515 Painter Road, Middletown Township, Delaware County, Pennsylvania. It is open daily except for major holidays; an admission fee is charged to non-members. The property's history began in 1681, when William Penn signed a "lease and release" agreement with Thomas Minshall, an English Quaker, for property in Pennsylvania that contained the site now occupied by the arboretum. Between 1681 and 1944, the property was home to eight generations of the same family. The arboretum itself started in 1825 when two brothers, Jacob and Minshall Painter, set aside land to systematically plant more than 1,000 varieties of trees and shrubs. In 1944, descendant Laura Tyler bequeathed the property, in memorial to her husband John J. Tyler, to be a nonprofit arboretum.It was added to the National Register of Historic Places in 2001.Today, Tyler Arboretum attracts 70,000 visitors a year to its 650-acre campus and boasts 17 miles of pathways and hiking trails. The horticultural collections include the following major features: The original Painter Trees: 1. Lebanon Cedar (Cedrus libani), a Pennsylvania state champion; 2. Ginkgo (Ginkgo biloba); 3. Yulan Magnolia (Magnolia denudata), a Pennsylvania state champion; 4. Sugar Maple (Acer saccharum); 5. Red Maple (Acer rubrum) 6. Osage-orange (Maclura pomifera), blown down by a hurricane in 1954, just the rot-resistant trunk remains; 7. Cucumbertree Magnolia (Magnolia acuminata); 8. Baldcypress (Taxodium distichum); 9. Leatherleaf Mahonia (Mahonia bealei); 10. Tuliptree (Liriodendron tulipifera); 11. Yellow Buckeye (Aesculus flava); 12. River Birches - 2 (Betula nigra); 13. Giant Sequoia (Sequoiadendron giganteum), the largest giant sequoia in Pennsylvania and possibly in the eastern United States; 14. White Oaks -2 (Quercus alba); 15. Swamp White Oak (Quercus bicolor); 16. Sweetgums - 2 (Liquidambar styraciflua); 17. Corsican Pine (Pinus nigra spp. laricio); 18. Bald Cypress (Taxodium distichum); 19. American Linden (Tilia americana); 20. Common Pear (Pyrus communis); and 21. Oriental Spruce (Picea orientalis), a Pennsylvania state champion. Ornamentals: collections of flowering cherry (begun in 1951 with 45 plants representing 23 species and varieties); magnolia (begun 1951); crabapple (1951–1953); rhododendron (begun 1959 with more than 500 rhododendrons and 200 azaleas); holly; and lilac. Pinetum (34 ha / 85 acres, begun in 1954), containing pines, spruces, hemlocks, firs, cedars, cypresses and larches. Native Woodland Walk (begun in 1970). Meadow Maze, a recent four-ring labyrinth of meadow grasses based on a classical seven-ringed design. Pink Hill, a serpentine barren of serpentine stone with wildflowers. Uncultivated land (180 ha / 450 acres) that remain natural and contain 32 km / 17 miles of marked hiking trails. Wister Rhododendron Collection, a collection of more than 500 rhododendrons.

Penn State Brandywine is a commonwealth campus of the Pennsylvania State University located in Middletown Township, Pennsylvania. The campus was formerly known as Penn State Delaware County. The campus has baccalaureate and associate degrees and certificate programs. The campus is located on over 112 acres (450,000 m2) of grounds. In August 2017, the campus established on-campus housing for the first time with the opening of Orchard Hall, a 250-bed dormitory.

Middletown Preparative Friends Meetinghouse is a historic Quaker meeting house at 513 N Old Middletown Road in Lima, Middletown Township, Delaware County, Pennsylvania, United States. It is one of the oldest Friends meetinghouses in what was originally Chester County.The first mention of an organized Friends meeting in Middletown Township was in 1686. The location and construction of a meetinghouse was noted in 1699 and the Middletown Friends Meetinghouse was completed in 1702. After a doctrinal split between Philadelphia Quakers, a number of "orthodox" members were forced out of the Meeting. They built another meetinghouse slightly to the south in 1835. During the 1790s, the building was doubled in size through the addition of a separate apartment. In the 1880s, the meetinghouse was reconfigured creating a more church-like appearance and orientation.The other Middletown Friends meetinghouse at 435 N Middletown Road is an active worship center.John Edwards, the Congressman from Pennsylvania is interred at the Middletown Friends Meetinghouse cemetery.

Bartram's Covered Bridge, a historic covered bridge built in 1860, uses a Burr Truss design and carried Goshen Road over Crum Creek on the border between Delaware County and Chester County, Pennsylvania. It is 30 feet (9.1 m) long and 13 feet (4.0 m) wide and is the only covered bridge remaining of the 30 which once stood in Delaware County. The bridge has slanted planks at each entrance and is the only covered bridge in Pennsylvania with this feature. According to an on-site marker from the Newtown Square Historical Preservation Society, the bridge was built to be "hi and wide as a load of hay" It was built by Ferdinand Wood and named for Mordecai Bartram.It was closed to traffic in 1941 and stands next to a new bridge on Goshen Road. The east end of the bridge is located in Newtown Township, Delaware County and the west end in Willistown Township, Chester County.It was listed on the National Register of Historic Places in 1980.

Penncrest High School is a public four-year comprehensive high school in Middletown Township, Delaware County, Pennsylvania, United States in the Philadelphia metropolitan area. It is a part of the Rose Tree Media School District. The district, and therefore the high school's attendance boundary, includes the following municipalities: Middletown Township, Media, Edgmont Township, and Upper Providence Township.

The Project Management Institute (PMI) is a U.S.-based not-for-profit professional organization for project management.

Whitehorse is an unincorporated community in Chester County, in the U.S. state of Pennsylvania.

The White Horse Historic District, also known as White Horse Village, is a national historic district that is located in Willistown Township, Chester County, Pennsylvania. It was listed on the National Register of Historic Places in 2001.

Lima (, LY-mə) is an unincorporated community and census-designated place (CDP) in Middletown Township, Delaware County, Pennsylvania, United States. The population was 2,735 at the 2010 census, down from 3,225 at the 2000 census.

Willistown Township is a township in Chester County, Pennsylvania, United States. The population was 10,497 at the 2010 census. At the 1860 census, the population of Willistown was 1,521, and in 1980 it was 8,269.