Hampton National Historic Site
…it was completed in 1790, the Hampton Mansion was the largest private home in the United States. When Capt. Ridgely died that same year, his nephew, Charles Carnan Ridgely (1760–1829), became the second master of Hampton. He had 10,590 feet (3,228 m) of irrigation pipes laid in 1799 from a nearby spring to provide water…