Mahee Castle, also known as Nendrum Castle, is a small ruined tower house near Nendrum Monastery on Mahee Island in Strangford Lough, County Down, Northern Ireland.
 It was built in 1570 by Captain Thomas Browne.
 It was abandoned by the early 17th century, and fell into disrepair.
 In 1923, H.C. Lawlor and the Belfast Natural History and Philosophical Society partly renovated the tower house to avoid further erosion and built a buttress wall to support the northwest corner of the tower.
Oliver Castle was a medieval tower house, located in the upper Tweed Valley in the Scottish Borders.
 The site of the hillfort known as Oliver Castle is to the north of the village of Tweedsmuir, although the site of the tower house is less certain.
 Mentioned in a document of c.1200, it was originally part of the line of peel towers along the Tweed Valley.
 It was replaced in the seventeenth century by a house, which was itself replaced in the late 18th century by the present Oliver House.
 For most of its existence the property has been owned by members of the Tweedie family.
Dalmeny House is a Gothic revival mansion located in an estate close to Dalmeny on the Firth of Forth, to the north-west of Edinburgh, Scotland.
 It was designed by William Wilkins, and completed in 1817.
 Dalmeny House is the home of the Earl and Countess of Rosebery.
 The house was the first in Scotland to be built in the Tudor Revival style.
 It provided more comfortable accommodation than the former ancestral residence, Barnbougle Castle, which still stands close by.
 Dalmeny today remains a private house, although it is open to the public during the summer months.
 The house is protected as a category A listed building, while the grounds are included in the Inventory of Gardens and Designed Landscapes in Scotland.
Orchardton Tower, is a ruined tower house in Kirkcudbrightshire, Dumfries and Galloway, south west Scotland.
 It is located 4 miles (6.1km) south of Dalbeattie, and 1 mile (1.7km) south of Palnackie, in Buittle parish.
 It is remarkable as the only cylindrical tower house in Scotland.
 Orchardton Tower is in the care of Historic Scotland, and is a Category A listed building,and a Scheduled Ancient Monument.
The House of the Cascade is a Roman-era building located in Utica, Tunisia.
 It is typical of most of the Roman houses excavated to date in North Africa in that it looks inwards to a central courtyard around which the majority of the rooms are arranged.
 Two smaller courtyard gardens in the western part of the house provided additional light and air.
The Cain House, also known as the Alexander Creel Tavern and the St. Marys Lodge #41 A.F. & A. M. was built in 1850 for Alexander H. Creel in St. Marys, West Virginia.
 The Cain House provided lodging for travelers along the Ohio River, and functioned as a courthouse for Pleasants County immediately after its formation.
Barnbougle Castle is a much-altered tower house on the southern shore of the Firth of Forth, between Cramond and Queensferry, and within the parish of Dalmeny.
 It lies within the Earl of Rosebery's estate, just northwest of Dalmeny House.
 Although its history goes back to the 13th century, the present castle is the result of rebuilding in 1881 by the 5th Earl of Rosebery, who served as Prime Minister from 1894–1895.
Greenknowe Tower is a 16th-century tower house, located just west of the village of Gordon, in the Scottish Borders.
 Although a roofless ruin, the stonework of the tower is well preserved, and represents a fine example of a later tower house, built more as a residence rather than as a place of defence.
 The building is located at [ NT639428] , beside the A6105 road.
 It is a Scheduled Ancient Monument, and is in the care of Historic Scotland.
A tower castle is a small castle that mainly consists of a fortified tower or a tower-like structure that is built on natural ground.
 It is thus different from the motte-and-bailey castle, which it may resemble, but whose main defensive structure is built on a "motte" or artificial hill.
 The tower castle is occasionally also described as a tower house castle or a tower house.
Gregans Castle is the name applied to both a 15th-century tower house and a Georgian-style house in the Burren region of County Clare, Ireland, near the village of Ballyvaughan.
 The latter dates from 1750 and is associated with the Martyn and O'Lochlainn (or O'Loughlen) families.
 The tower house is across the road from the modern house, which is now a hotel.

Question: The Dalmeny House provided more comfort than what much-altered tower house?
Answer: Barnbougle Castle