This structure was a communal house which originally contained twenty-five rooms. The protection of the dry climate and of the shallow cave in which it stands has well preserved it these many centuries. Most of the rooms are in good condition. The timbers, which plainly show the hacking of the dull primeval stone axes, are among its most interesting exhibits. The building is crescent-shaped, sixty feet in width and about fifty feet high. It is five stories high, but the fifth story is invisible from the front because of the high stone wall of the façade. The cliff forms the back wall of the structure.

Montezuma's Castle is extremely old. Its material is soft calcareous stone, and nothing but its sheltered position could have preserved it. There are many ruined dwellings in the neighborhood.

Tonto National Monument

Four miles east of the Roosevelt Dam and eighty miles east of Phœnix, Arizona, are two small groups of cliff-dwellings which together form the Tonto National Monument. The southern group occupies a cliff cavern a hundred and twenty-five feet across. The masonry is above the average. The ceilings of the lower rooms are constructed of logs laid lengthwise, upon which a layer of fibre serves as the foundation for the four-inch adobe floor of the chamber overhead.

There are hundreds of cliff-dwellings which exceed this in charm and interest, but its nearness to an attraction like the Roosevelt Dam and glimpses of it which the traveller catches as he speeds over the Apache Trail make it invaluable as a tourist exhibit. Thousands who are unable to undertake the long and often arduous journeys by trail to the greater ruins, can here get definite ideas and a hint of the real flavor of prehistoric civilization in America.

Walnut Canyon National Monument

Thirty cliff-dwellings cling to the sides of picturesque Walnut Canyon, eight miles from Flagstaff, Arizona. They are excellently preserved. The largest contains eight rooms. The canyon possesses unusual beauty because of the thickets of locust which fringe the trail down from the rim. One climbs down ladders to occasional ruins which otherwise are inaccessible. Because of its nearness to Flagstaff several thousand persons visit this reservation yearly.

Gila Cliffs National Monument

Fifty miles northeast of Silver City, New Mexico, a deep rough canyon in the west fork of the Gila River contains a group of four cliff-dwellings in a fair state of preservation. They lie in cavities in the base of an overhanging cliff of grayish-yellow volcanic rock which at one time apparently were closed by protecting walls. When discovered by prospectors and hunters about 1870, many sandals, baskets, spears, and cooking utensils were found strewn on the floors. Corn-cobs are all that vandals have left.