 In doing so, he made various improvements and additions to the building, in particular he designed a Garden House and added a "Charleston Garden" around the year 1910.The garden is a sunken garden arranged around a reflecting pool with a cherub fountain; it is surrounded by brick walls and arches.When Gilbert's daughter Emily sold the home in 1957, local residents, who wished to preserve the property as an historical landmark, formed a society for its preservation (the Keeler Tavern Preservation Society, Inc.).