Complex sentence: Extensive archaeological work has taken place in the decades following, and a number of restoration projects have restored the house to its late 18th century appearance, including rebuilding outhouses such as the icehouse, kitchen, and law office.
Split into simpler sentences: Extensive archaeological work has taken place in the decades following. A number of projects have restored the house to its late 18th-century appearance, including rebuilding outbuildings such as the icehouse, kitchen, and law office.