Explored by Dutch, sweetish & English in16th century, Delaware has an interesting historical background. The beautiful & historical city like New Castle reminds you that era. Other historical sites include Delaware Governor’s Mansion (Woodburn) (Dover), Ryves Holt House (Lewes) and New Castle Courthouse Museum (New Castle). Although Zwaanendael Museum is not a historical place, but reveal Delaware’s history & display various historical events like Swanendael Settlement, history of Sussex county etc.