The grandiose building of the of Parliament is undoubtedly the most iconic building of Budapest, an inside visit is a must when you are in the capital. A visit to St. Stephen's Cathedral and a walk along the banks of the Danube are also unmissable. Take a trip on Budapest Eye to see the city from above, and the Funicular to explore the wonders of Castle Hill District with the fascinating Matthias Church, Buda Castle and Fisherman's Bastion for a breathtaking view of the city.