sentences:  With elements designed for the original Andrew Mellon estate by the Olmsted Brothers, the Shadyside Campus was designated an arboretum in 1998 by the American Association of Botanical Gardens and Arboreta.It features over 115 different varieties of species, including Japanese Flowering Crabapple, River Birch and Kentucky Coffee Tree.In 2005 the University expanded its programs to include online advanced degree programs (bachelors, masters, doctoral) through the School of Continuing Education, now the School for Continuing and Professional Studies.