Complex sentence: The campus has 25 major buildings, five of which are listed in the National Register of Historic Places, with a replacement value of more than $60 million and more than 1 million square feet (92,900 square meters) of floor space.
Split into simpler sentences: The campus has 25 major buildings, five of which are listed in the National Register of Historic Places. Their replacement value is more than $60 million and they provide more than 1 million square feet (92,900 square meters) of floor space.