Military remains · 1838
Kaitsekasarmu mortiirpatarei

On Kalaranna street in Tallinn stands the so-called Mortar Battery, the only above-ground survivor of a redoubt built in 1838–1839 to protect the landward side of the Kalaranna fort; its earthworks, moat and walls survive underground. The two-storey caponier got its upper floor in 1854–1855, during the Crimean War. Its name is a puzzle, because the building was not designed for mortars at all: its gun openings suit cannon, and some even face back towards the fort it was meant to defend. No complete explanation has yet been found.
Open it on the map See the spot on the old maps and as it is today
Eesti keeles
Tallinnas Kalaranna tänaval seisab nn Mortiiripatarei – ainus maa peal säilinud osa reduudist, mis ehitati aastatel 1838–1839 Kalaranna fordi maapoolse külje kaitseks; muldkindlustised, vallikraav ja müürid on säilinud maa all. Kahekorruseline kaponiir sai teise korruse Krimmi sõja ajal 1854–1855. Hoone nimi on mõistatus, sest seda pole üldse mortiiride jaoks ehitatud: laskeavad sobivad kahuritele ja mõned on suunatud isegi fordi enda poole, mida hoone pidi kaitsma. Ammendavat seletust pole siiani leitud.
Source: https://et.wikipedia.org/wiki/Mortiiripatarei_%28Tallinn%29 ↗