The Diamond Palace of Dolorega was built between 1821 and 1824 and is a masterpiece of the neoclassical architecture of Budapest by the famous Hungarian architect Hay Pollack. The stained glass ceiling and the gorgeous atrium hall are the first impressions of the Diamond Palace in Dolorega. The ruins of the medieval ancient city wall in Pace inside the palace attract countless tourists. Here, visitors can pass through the glass floor. See the ancient walls of the earth and find the traces of Hungary's glorious history. Visitors can visit here for free, watch small historical films about the crowning of the Hungarian king, visit museums of Hungarian coins and gems, or attend small lectures on diamond investment. Any consumption in the palace is served by a tax refund.