Middlefork Savanna

Halas Hall (officially the PNC Center at Halas Hall) is a building complex in Lake Forest, Illinois, that serves as the headquarters of the Chicago Bears of the National Football League (NFL). The 38-acre complex opened on March 3, 1997 and was expanded in 2013 and 2018.

Lake Forest Academy (also known as LFA) is a co-educational college preparatory school for boarding and day students in grades 9 through 12. The school is located on the North Shore in Lake Forest, Illinois, United States, about 30 miles north of Chicago. As of the 2019–2020 school year, the school enrolled 435 students, with the students coming from 13 states and 35 countries. This school is among the most selective boarding schools in the United States. The current head of school is Christopher O. Tennyson. The school is accredited by the National Association of Independent Schools (NAIS), Independent Schools Association of the Central States (ISACS), and the Secondary School Admission Test Board (SSATB).

Knollwood is an unincorporated community and census-designated place (CDP) in Lake County, Illinois, United States. Per the 2020 census, the population was 2,221. It is located within Shields Township and Libertyville Township. Knollwood shares a ZIP Code with the neighboring village of Lake Bluff, and children attend Lake Bluff schools. The residents of Knollwood were served by the Knollwood Fire Department until October 2018, after the trustees of the Rockland Fire Protection District ended their relationship with the department. Residents now receive fire protection from the Libertyville and Lake Forest fire departments. Police protection is provided by the Lake County Sheriff's Department.

The Clifford Milton Leonard Farm is a historic farm at 550-579 Hathaway Circle in Lake Forest, Illinois. The gentleman's farm was built in 1923-26 for Clifford Milton Leonard; at the time, gentleman's farms were a popular pastime for America's wealthiest citizens, and Leonard, the head of several oil and banking companies, was no exception to this rule. The property includes three cottages, a large round barn, a smaller carriage barn, and several outbuildings and smaller structures; while its original plans included a main house as well, it was never built. Architect Ralph Varney designed the buildings in the French Renaissance Revival style, using elements such as stone and brick exteriors, steep hip roofs, and flared eaves. Noted landscape architect Jens Jensen planned the farm's layout.The farm was added to the National Register of Historic Places on August 10, 2000.

The House at 965 Castlegate Court is a historic house located at 965 Castlegate Court in the Deerpath Hill Estates development in Lake Forest, Illinois. Developer Henry K. Turnbull, who planned the original section of Deerpath Hill Estates, built the house in 1930. The house is located at the northern entrance to the First Addition to Deerpath Hill Estates; it is technically outside of the development, and was marketed as being in the "Deerpath Hill Estates district". It is the only house Turnbull built outside of the original three sections of Deerpath Hill Estates; its location served to draw potential buyers into the estate from Waukegan Road. The house has a Colonial Revival design in keeping with the revivalist styles used in the development; its design features two stone-faced gables and a developed cornice.The house was added to the National Register of Historic Places on May 12, 2006.

The Robert Hosmer Morse House is a historic house at 1301 Knollwood Circle in Lake Forest, Illinois. Built in 1932, the house served as a summer home for businessman Robert Hosmer Morse and his family. The architectural firm of Zimmerman, Saxe & Zimmerman designed the house, which combined elements of the Moderne and Art Deco styles. As the wealthy residents of Lake Forest typically used traditional designs for their homes, the modern architectural styles were an unusual choice. The house's design features a stucco exterior, a horizontal emphasis throughout, casement windows, decorative limestone around the front entrance, and a recessed third floor.The house was added to the National Register of Historic Places on August 10, 2000.

Deerpath Hill Estates is a residential development in western Lake Forest, Illinois. Developer Henry K. Turnbull and architect Stanley D. Anderson planned and built the original development in 1926. Turnbull and Anderson designed the development according to the principles of the City Beautiful Movement and the ideas of Howard Van Doren Shaw, Anderson's mentor. The individual houses were designed in popular revivalist styles, including English Tudor, Colonial, and French Norman. The development was the first in Lake Forest to be planned and controlled entirely by its developer.

Kennedy is an unincorporated community in Lake County, Illinois, United States. It is at the intersection of Illinois Route 43 and Illinois Route 60.

Rondout is an unincorporated community in Lake County, Illinois, United States that first formed around a railroad junction. The area is located within Libertyville Township. As Rondout is an unincorporated community rather than a municipality, it lacks clearly defined borders, and shares postal codes with Lake Bluff, Lake Forest and Libertyville, Illinois. It has its own elementary school which comes under Rondout School District 72. Illinois Route 176 passes east–west through Rondout, serving as the "main street" of the community, where it is also called "Rockland Road".

Northwestern Lake Forest Hospital (NLFH) is a community-based hospital in Lake Forest, Illinois and a wholly owned subsidiary of Northwestern Memorial HealthCare, one of the nation's premiere academic medical centers. The hospital was established in 1899 as Alice Home on the campus of Lake Forest College, and in 1942 a new hospital was built in its current location as Lake Forest Hospital. On February 1, 2010, Lake Forest Hospital completed an affiliation agreement with Northwestern Memorial HealthCare and became Northwestern Lake Forest Hospital.The 201-bed hospital is on a 160-acre (65 ha) campus in Lake Forest and provides a comprehensive array of inpatient and outpatient medical and surgical services. At the main campus in Lake Forest, services include an inpatient hospital, a women's center providing maternity and breast care services, a health and fitness center and a nursing care facility. The hospital has 700 board-certified physicians specializing in 90 specialties on its medical staff.Northwestern Lake Forest Hospital is a partner of Lurie Children's Hospital in Chicago, one of the nation's top-ranked children's hospitals. Lurie Children's Outpatient Center and Lurie Children's hospitalists and neonatologists provide infant and pediatric care 24 hours a day to patients at Northwestern Lake Forest Hospital.

The House at 380 Chiltern Drive is a historic house located at 380 Chiltern Drive in the Deerpath Hill Estates development in Lake Forest, Illinois. Developer Henry K. Turnbull and architect Stanley D. Anderson, the planners of the original Deerpath Hill Estates development, built and designed the house in 1930 as part of the development's second addition. The house has a French Norman Revival design in keeping with the revivalist styles used throughout the development; its design features a stair tower, steep roofs with flared eaves, and wall dormers with casement windows. The house is the only one built and designed by Turnbull and Anderson in the second addition and was the last house built by the duo before the Great Depression bankrupted Turnbull.The house was added to the National Register of Historic Places on May 12, 2006.

The Frank Hibbard Estate House is a historic house located at 301 North Chiltern Drive in the Deerpath Hill Estates development in Lake Forest, Illinois. The house was built in 1903 for Frank Hibbard of Hibbard, Spencer, Bartlett & Company, which later became True Value Hardware. Architect George Lyon Harvey designed the house in the Mediterranean Revival style; his design featured a terra cotta roof, decorative iron window coverings, and several porches. In 1929, developer Henry Turnbull purchased the property. Turnbull divided the property, which originally occupied a 21-acre (8.5 ha) plot, to create the Second Addition to Deerpath Hill Estates. Architect Stanley Anderson, a colleague of Turnbull and the developer of the original Deerpath Hill Estates, modernized the house in keeping with its Mediterranean design.The house was added to the National Register of Historic Places on May 12, 2006.