“The Curtis Arboretum in Wyncote and the Grey Towers Castle, now part of Arcadia University in Glenside, are among the 145 sites in Montgomery County that have been added to the National Register of Historic Places,” writes Kathy O’Loughlin for Main Line Media News.

“Although not on the Main Line, both are connected to the Curtis and Bok families who lived here, as well as to a well-known architect who designed one of the Main Line’s most famous estates and a famous landscape architect who designed for both a Main Line college and New York City’s Central Park,” writes Kathy O’Loughlin in Mainline Media News.

Find out who—and much more, sucn as how much the college paid “for the palatial mansion of sugar magnate William Welsh Harrison” in 1929.