The Ópusztaszer National Heritage Park is an open-air museum of Hungarian history in Ópusztaszer, Hungary. It was established in 1982 and is most famous for being the location of the Feszty Panorama, a cyclorama by Árpád Feszty and his assistants, depicting the beginning of the Hungarian conquest of the Carpathian Basin in 895. The painting was completed in 1894 for the 1000th anniversary of the event. The park is also home to various indoor and outdoor exhibits, focusing on the archaeological and ethnographic history of ancient and early-modern Hungary in an immersive and engaging manner.

The Arrival of the Hungarians is a large cyclorama – a circular panoramic painting – by Hungarian painter Árpád Feszty and his assistants, depicting the beginning of the Hungarian conquest of the Carpathian Basin in 895.