National Technical Museum is the first year June for the first time joined the event Night of churches, and access to the Royal Chapel in the grounds of the former Cistercian monastery in Plasy. Another opportunity for an evening visit to the Royal Chapel of the 21st July 2012, when on the eve of the feast of St. Mary Magdalene is the first time in decades, celebrated Mass pilgrimage.

Unique two-story building early Gothic chapel of the NTM in the administration as part of the monument complex, which is currently implementing a project "Centre architectural heritage walling". In the candlelight the unique atmosphere of this monument enjoyed more than 130 visitors.