Interior, Arg-é Bam (Bam Citadel), Bam, Kerman Province, southeastern Iran

The Arg-e Bam was the largest adobe building in the world. It was a lrge fortress/city in whose heart the citadel was located, but because of the impressive look of the citadel, which forms the highest point, the entire fortress is referred to as the Bam Citadel.

It is listed by UNESCO as part of the World Heritage Site

The origin of this massive citadel on the Silk Road can be traced beyondthe Achaemenid period (6th to 4th centuries BC). The heyday of the citadel was from the 7th to 11th centuries, when it lay at the crossroads of important trade routes and known for the production of silk and cotton garments.

On December 26, 2003, the Citadel was almost completely destroyed by an earthquake, along with much of the rest of Bam. It is currently being rebuilt.

Source: Photographs of Castles and Manor Houses around the world