St. Stephen's Basilica is a beautiful cathedral located near the opposite end of Andrassy Avenue from Hero's Square. Inside you can view the hand of Saint Stephen, who was Hungary's first Christian king.
Magyar műemlékek http://www.nlcafe.hu/utazas/20131107/muemlekek-wiki-loves-monuments-fotopalyazat/
Casttle are one part
Panorama from evening Budapest
Casttle of Vajdahunyad Budapest
House of Parliament Budapest
Transylvanian Vajdahunyad Castle in Budapest, Hungary. This is inside the castle with the rowing boats