The phenomena of memory, as to both persons and places, is strong in animals, as is manifest by their recognition of their masters, and their returning at once to habits of which, though disused for many years, their brain has not lost the stored-up impressions.
Hills to the north of the town contain disused coal-mines which have been on fire for centuries.
It was here that, on his invitation, James Watt constructed a model of his steam-engine, which was tested in a now disused colliery.
From the period of the rediscovery of the catacombs in the 16th century till comparatively recent times a gigantic fallacy prevailed, repeated by writer after writer, identifying the Christian burial-places with disused sand-pits.
Clausthal has a famous mining college with a mineralogical museum, and a disused mint.
The town possesses 103 acres of parks and open spaces, the chief being Llewelyn Park of 42 acres in the north of the town near Morriston, Victoria Park (16 acres) and recreation ground (8 acres) abutting on the sands in the west, with the privately owned football field between them, Cwmdonkin (13 acres) commanding a fine panoramic view of the bay, and Brynmill (9 acres) with a disused reservoir constructed in 1837 and now converted into an ornamental lake.
Of the Mahi river, surrounded by an old disused rampart and adorned by various Hindu temples, with the battlements of the chief's palace overlooking it.
There was a tendency in time of misfortune to revert to earlier rites (illustrated in some ancient mourning customs), and it may have been some old disused practice revived under the pressure of national distress.
East of the town, is the now disused temple of the Parsee fire-worshippers, who were attracted thither by the natural fountains of inflammable gas.
Dalkey Island, lying off the town, has an ancient ruined chapel, of the history of which nothing is certainly known, and a disused battery, which protected the harbour, a landing-place of some former importance.