 The Earl Crematorium was listed in its own right on the National Register of Historic Places in 2003 and was designated a National Historic Landmark on March 5, 2012.The Warren Family Mortuary Chapel is a stone chapel built on a knoll near the center of the cemetery.It was designed by Henry Dudley of New York City and built in 1860 in the English country Gothic style, complete with a nave and transept floor plan.