Complex sentence: The building was constructed in 1892 and designed by Henry Ives Cobb in the Romanesque Revival style; the gothic pair of large and imposing winged gargoyles at the entrance are a more recent addition.
Split into simpler sentences: The building was constructed in 1892; designed by Henry Ives Cobb in the romanesque-revival style. The pair of large--and imposing--winged gothic gargoyles at the entrance were a more recent addition.