In 1987 a World Heritage Site was declared which includes Buda Castle, the Danube Riverbank, the Andrássy Avenue and its historic surroundings, the Millennium Underground Railway and Heroes' Square.
Other important landmarks in Buda are the Gellért Hill and the tomb of Gül Baba and Rudas Baths built during the Ottoman rule of Hungary, ruins of Old Buda, the Coliseum in Nagyszombat Street and the ruins of Aquincum.
In the Buda Hills are the Chairlift, the Children's railway and caves with stalagmites and stalactites.
The most important landmarks in Pest are the Hungarian Parliament Building, the St. Stephen's Basilica, the Inner City Parish Church, the Hungarian Academy of Sciences, the Vigadó Concert Hall, the Hungarian National Museum, the New York Palace on the Small Boulevard, the Dohány Street Synagogue, the Grand Boulevard, and the Museum of Applied Arts.
Places of interest in Pest County are Gödöllő (Royal Castle and Arboretum), Ráckeve (Serbian cathedral and Savoya Castle), Szentendre (Baroque town square, Margit Kovács Museum, Ethnographic Open Air Museum), Vác (cathedral, triumphal arch) and Visegrád (Visegrád Castle).