What are the main architectural features of Great Zimbabwe?

Great Zimbabwe is renowned for its sophisticated Iron Age architecture, characterized primarily by its extensive use of mortarless stone construction. The site is divided into three main areas: the Hill Complex, the Great Enclosure, and the Valley Ruins.1

Key architectural features include:

• Mortarless Stonework: Builders utilized natural granite boulders and rectangular blocks to create massive, dry-stone walls. These walls reached up to 20 feet in thickness and 36 feet in height.1
• Daga Structures: Alongside stone masonry, the site features remnants of daga—a mixture of earth and mud-brick—which were used for residential buildings.1
• The Hill Complex: The oldest section of the site, built upon a steep-sided hill, served as a spiritual and religious center.1
• The Great Enclosure: This is the largest ancient structure in sub-Saharan Africa. It features a massive outer wall and an inner wall that creates a narrow, parallel passage leading to a 33-foot-high Conical Tower, the purpose of which remains a subject of archaeological debate.1