The fortress once consisted of long ramparts and four major towers. One of the towers was a 60-m tall four-storey keep, known as "A Famosa" ('The Famous'), which was the tallest building in the region from 1512 until it was destroyed by the Dutch in 1641. Other parts of the fortress included an ammunition storage room, the residence of the captain, and an officers' quarters. There were also town houses inside the fortress walls. As Malacca's population expanded it outgrew the original fort and extensions were added around 1586.