Arbor Hill Historic District–Ten Broeck Triangle
Open space within the district include a few vacant lots and parking lots. Most are planned however, such as Van Rensselaer Park, the neighboring space around the church known as St. Joseph's park, and the large parcel at the district's northeast corner where the Ten Broeck Mansion and its gardens (and formerly carriage house) are located. Mature trees are abundant throughout. Topographically the district rises almost a hundred feet (30 m) from its eastern and southern edges to level terrain along North Swan between Second and Third. This reflects the ravines that existed there when Albany was first settled, later partially filled in to facilitate development, now the neighborhood of Sheridan Hollow, which separates Arbor Hill and the district from downtown Albany.
Barton Hills, Michigan
Located within Ann Arbor Charter Township and adjacent to the city of Ann Arbor, the community was originally named "Huron Farms" and was established by the Detroit Edison Company in 1913. The company acquired land on both sides of the Huron River and built a series of dams for electric power production. Land owned by the company was also used for agricultural purposes, including farms, dairy cattle, and fruit orchards. As the area where the village is currently located was too hilly for farming, it was instead promoted by the company as an exclusive residential community for company executives. Membership in the Barton Hills Country Club was considered by many to be a mark of distinction. As homes were constructed in the 1920s, restrictions attached to each deed stipulated that the homes must be designed by a registered architect.
By the 1940s, through the economic and social turmoil of the Great Depression and World War II, the community had become an economic liability for a public utility. The company shareholders decided to make an outright gift of its holding to the residents of the community in exchange for assuming responsibility for maintaining the water system, roads, and other municipal services.