the Alavid dynasty, centered in the ancient region of Tabaristan. The shrine also has religious value, being that the Alavids were the direct descendants of the second Shi'a Imam, Imam Hassan. Imamzadeh Yahya Mosque – Aside from the mosque's aesthetic tile work and architectural design, this is a designated place of Ziyarah, or Islamic pilgrimage. The mosque is characterized by its massive entrance, stained glass windows, glossy marble flooring, and unique interior design. Imamzadeh Ali ibn Jafar Mosque – Another place of Ziyarah, or Islamic pilgrimage, with aesthetic tile work and architectural design. The mosque is characterized by its green domes and a massive adobe dome that towers above the complex. Imamzadeh Ali ibn Ashraf Mosque – A place of Ziyarah, or Islamic pilgrimage. Memorial of the Martyrs (Mezar Shohada) – this building was constructed as an interior cemetery for the soldiers of Semnan that were martyred in the brutal Iran–Iraq War of 1980–1988. The building consists of a glossy marble flooring, elegant chandeliers, murals, and stained glass windows. Hakim Elahi Mausoleum – Hakim Elahi was a prominent scholar of Islam and philosophy. Secular Pehne Hot Springs – a public bath house which uses hot therapeutic waters. These waters are utilized for relaxation as well as hydrotherapy. The Gate of the Semnan Fortress – built by the Qajar dynasty under Prince Bahman Mirzaye Baha'ed-dowleh, the son of Fath Ali Shah Qajar. Unfortunately, Reza Shah Pahlavi destroyed the other three entrances and the walls around the old city under the pretext of road construction. Semnan Bazaar – the place to buy the souvenirs, handicrafts, appliances, food items, etc. Pehne Bazaar – a large and vast center of commerce with multiple wings. Similar to most bazaars in Iran, Pehne Bazaar has almost all the necessities as well as local products. Sheikh Ala'ed-dowleh Bazaar – a traditional center of commerce that carries all the basic necessities as well as tourist items. Tadayyon House – a mansion style home of the wealthy class in the Qajar era of Semnan. This multi-story complex consists of a stable, a massive kitchen, a traditional cistern of water, along with a towering windcatcher, signature of Iran's arid cities. The complex also features a unique Azerbaijani architectural design, signature of Qajar era buildings. The Interior Gardens of Semnan (Baghat Dakhil Shahr) – these massive gardens cover the entire southwestern portion of the city in a green, lush, and forested