The National Mall, first envisioned by Washington master planner Pierre L'Enfant in 1791, was designed by Andrew Jackson Downing in the 1850s and later redesigned by the MacMilliam Commission in 1901.
A
historic designed landscape per the United States
National Park Service is a landscape that was consciously designed or laid out by a landscape architect, master gardener, architect, or horticulturist according to design principles,or an amateur gardener working in a recognized style or tradition. The landscape may be associated with a significant person(s), trend, or event in landscape architecture; or illustrate an important development in the theory and practice of landscape architecture. Aesthetic values play a significant role in designed landscapes.
Examples include
