Located on the top of the hill known as Petrov, the free-standing Romanesque basilica was rebuilt as a Gothic cathedral in the 13th century and then converted to the Baroque style in the 18th century. The twin spires are depicted on the Czech 10Kč coin.

The area of 56 997 hectares of the Balaton Uplands National Park mainly consists of these six landscape protection areas: Kis-Balaton, Keszthely Hills, Tapolca Basin, Káli Basin, Pécsely Basin and Tihany Peninsula. Among its regions Kis-Balaton is also protected by the international Ramsar Convention, serving the protection of wetland habitats. Tihany Peninsula – as a recognition of its outstanding geological values and the work of nature conservation in that region – was awarded of European Diploma in 2003. The Natura 2000 areas, covering partly the National Park and going beyond its area ensure the possibility of the conservation of habitats, plant and animal species which are of European importance. The initiative of Bakony–Balaton Geopark – the area of which covers partly the National Park – sets the aim of interpreting the geological, natural and cultural values and awakening the consciousness of their social significance. The Bakony–Balaton Geopark became member of the European Geoparks Network and the Global Geoparks Network – assisted by UNESCO in 2012.

Another stunning building on Parque Vidal, Teatro la Caridad is Santa Clara's main theater, which dates back to 1885 and is one of the few remaining colonial theaters in the country. It is the main stage for several performing arts groups and orchestras.

On the promontory in front of the one-time cemetery a girl of stone extend her arm to a gull. This, however, is a new sculpture, the work of a sculptor Car, and it was erected here in 1956 and turned into one of Opatija’s symbols.