The Obradoiro façade of the grand Cathedral of Santiago de Compostela, Galicia, Spain; built between The cathedral is the reputed burial-place of Saint James the Great, one of the apostles of Jesus Christ.
the Dar al-Hajar (Rock Palace) perched atop a rock pinnacle at the Wadi Dhahr Valley in Yemen. Classic example of Yemeni architecture built in 1786 by Imam Mansour Ali Bin Mahdi Abbas; in the Imam Yahya Hamid Al Din extended it as a summer residence.
700 year old Iranian Home. Allegedly, these homes in Iran, carved out of solid rock, were built on the order of 700 years ago and are still inhabited by people who have given them modern touches (you know, the little things like and electricity)
The Baha'i Gardens in Haifa, Israel - This is one of Haifa's main attractions and the UNESCO World Heritage site. Its history and beautiful gardens accompanied with amazing views of the city and the Mediterranean Sea are definitely worth the visit.