Dar al-Hajar, also known as the Rock Palace, stands as a proud symbol of Yemeni architecture in Wadi Dhahr Valley near Sana'a, Yemen. This iconic five-story building is perched atop a rock formation and was originally constructed in the 1920s by Imam Yahya as a summer residence. The unique design of Dar al-Hajar incorporates the rock itself into the structure, with the building seamlessly rising from the boulder. Its traditional Yemeni design features intricately decorated white plaster, friezes, and beautifully carved windows and doorways, showcasing the craftsmanship of local artisans. The rooms inside the palace are connected by a series of staircases that cleverly navigate the uneven surfaces of the rock. Visitors can explore the interior spaces, including the bedrooms, storerooms, and a mosque, all of which give an insight into the luxurious lifestyle of the Imam. The site is surrounded by picturesque terraced gardens and offers panoramic views of the lush valley below, making it a must-visit destination for those interested in history, architecture, or natural beauty.