AlQahira Castle, known as Cairo Castle, is a historical fortress located in Taiz, Yemen, perched atop a hill in the heart of the city, commanding a strategic position that has been of military significance since ancient times. This imposing medieval castle's roots date back to the pre-Islamic period, but it reached its pinnacle during the Ottoman Empire's rule. It has been witness to numerous historical events and conflicts that have shaped the region's history. The castle's architecture reflects Islamic military designs, with robust walls, towers, and parapets. Within the fortress complex, there are several mosques, a prison, and old palaces, showcasing a blend of traditional Yemeni construction techniques with Ottoman influences. Visitors can explore the remnants of this once-great stronghold, which provides panoramic views of the city and the surrounding landscapes. The castle also houses a museum, which displays artifacts and exhibits relating to the region's history and culture. Access to the castle can be challenging due to the steep climb, but the journey is well rewarded with an insightful glimpse into Yemen's past.