An American Aristocrat's Guide to Great Estates

Julie Montagu travels to the seat of the Duke of Argyll, site of fictional Duneagle Castle in the Christmas special of 'Downton Abbey'; it has a haunted bedroom.

Julie Montagu visits Floors Castle, Scotland's largest inhabited castle, goes on a fishing expedition and takes in "the sport of kings."

Julie Montagu visits the 450-year-old Holdenby House and the estate that was once the palace and prison of King Charles I.

Julie Montagu visits Boughton House, one of the most well-preserved 17th-century homes in the United Kingdom, and discovers it has surprising ties to her own family.

Julie Montagu explores Doddington Hall, an Elizabethan mansion, and discovers how its owners run a retail empire to help keep it alive.

Julie Montagu visits a fellow American-born aristocrat in the Cotswolds to see how she turned Sudeley Castle into a popular visitor attraction and fairytale wedding venue.