arboretum in 1988 by the Association of Botanical Gardens and Arboreta, and in 2020 it was accredited as a Level II arboretum by ArbNet. Approximately 190 species of trees and shrubs can be found on campus. One tree, the Bicentennial Oak between Rand Hall and Garland Hall, was certified to have lived during the American Revolution and was the oldest living thing on the campus. The Bicentennial Oak succumbed to age-related decay and fell on November 12, 2022. In December 2015, a hackberry tree fell, leaving 10 students injured with "broken bones and stitches." Additionally, in August 2022, a tree fell on Peabody Lawn, leaving two students injured.
=== Main campus ===
In the northeast corner of the campus (the base of the fan) is the original campus. This section stretches from West End Avenue south to the Stevenson Center and west from 21st Avenue to Alumni Lawn. The majority of the buildings of the arts and humanities departments of the College of Arts and Science, as well as the facilities of the law school, …