Bourne in Kennebunk, Maine. Maryland Evergreen House: the mansion of B&O Railroad president John W. Garrett in Baltimore, Maryland. Hampton Mansion: the former largest home in America was the home to 7 generations of the Ridgely family in Towson, Maryland Homewood: the historical 1800 Federal-style house of Charles Carroll Jr. in Baltimore, Maryland Edgar Allan Poe House and Museum, Baltimore, Maryland Sagamore Farm: the 1920s horse breeding farm of Alfred G. Vanderbilt II in Baltimore County, Maryland, now home to Under Armour CEO Kevin Plank The Cloisters: the 1928 castle of Sumner and Dudrea Parker made from portions of historic estates in America and Europe, located in Lutherville, Maryland. Massachusetts Beauport: the waterfront summer residence of Henry Davis Sleeper in Gloucester, Massachusetts Castle Hill: a stately mansion and estate of 21 outbuildings situated in Ipswich, Massachusetts north of Boston; the summer residence of Richard T. Crane, Jr. Elephant House: the house of Edward Gorey, artist, writer, illustrator, playwright, and puppeteer Elm Court: the largest Shingle style architecture house in America was home to William Douglas Sloane and Emily Thorn Vanderbilt in Lenox, Massachusetts Hammond Castle: the 1920s stone castle and laboratory of inventor John Hays Hammond, Jr. in Gloucester, Massachusetts House of the Seven Gables: fictionalized by author Nathaniel Hawthorne in Salem, Massachusetts Kennedy Compound: a clapboard (architecture) home located in Hyannis Port, Massachusetts, and the residence of the Kennedy family including American businessman and political figure Joseph P. Kennedy, Sr., his wife Rose Fitzgerald Kennedy, and their three sons, U.S. President John F. Kennedy and U.S. Senators Robert F. Kennedy and Ted Kennedy Naumkeag: the Shingle Style summer residence of Joseph Hodges Choate in The Berkshires Peacefield: a Colonial style mansion and the former residence of U.S. President John Adams, and other members of the Adams family, located in Quincy, Massachusetts near Boston The Mount: a country house in Lenox, Massachusetts, the home of noted American author Edith Wharton, who designed the house and its grounds. Ventfort Hall: the Jacobean mansion of George and Sarah Morgan which is now the Gilded Age Museum in Lenox, Massachusetts. Michigan Meadow Brook Hall: home of Matilda Dodge Wilson in Rochester Hills, Michigan Snowflake: home designed by Frank Lloyd Wright in Plymouth Township, Michigan New Hampshire The Frost Place: home of Pulitzer Prize winning poet Robert Frost in Franconia, New Hampshire, in the White Mountains Region. New York Arden House: the 100,000 sq