Along with the significant development of the city's infrastructure, new squares were created and statues were placed in the finest locations of the downtown area; it was also at this time that the Medial Ruin Garden was established.

Until 1938, a tall, closed fence shut off the ruins area, and a town house (the Eisenbarth House) stood on the site of the mausoleum. Géza Say, a ministry counsellor born in Székesfehérvár, was the first to advocate for the excavation of Saint Stephen's Basilica. The intellectual leader behind the creation of the memorial site was Tibor Gerevich, while the excavations were led by Kálmán Lux. The protective building, the mausoleum, the lapidarium, and the symbolic city gate—complete with a stylized city gate and towers—were designed by Géza Lux. The elegantly subtle decorations are the work of Walter Madarassy. Based on these plans, a Mediterranean-style, Neo-Romanesque building was born, which successfully resolves the layout of the ruins area from an urban design perspective as well. The inauguration of the Ruin Garden took place on May 17, 1938, simultaneously with the knightly investiture