National Historic Houses Day in Lazio – 24 May 2026

Sunday 24 May 2026 marks the National Historic Houses Day: more than 40 palaces, villas, castles and historic courtyards across Lazio will be open to the public free of charge, organized by the Association of Italian Historic Houses (ADSI).

Theme for 2026

This year's edition carries the title "Guardians of the future. A living heritage for shared value", underlining the role of private historic properties as collective cultural assets to be protected for future generations.

Main news

• Villa Lubin (Villa Borghese, Rome) opens to the public for the first time during this event.
• Volunteers from the Touring Club Italiano will be present in selected residences to guide visitors, following a national agreement.

Open sites and suggested routes

Openings cover the provinces of Rome, Viterbo, Rieti, Frosinone and Latina. Highlights include (examples):

• Ruspoli Castle and Gardens in Vignanello (VT)
• Farnese Fortress in Ischia di Castro (VT)
• Fumone Castle and Teofilatto Castle in Torre Cajetani (FR)
• Odescalchi Castle, Bracciano (RM)
• Historic palaces and courtyards in Rome: Palazzo Torlonia, Palazzo Taverna, Palazzo Sforza Cesarini
• Villas of the Castelli Romani: Tenuta di Pietra Porzia (Frascati), Villa del Cardinale (Rocca di Papa)

Practical information

When: Sunday 24 May 2026.
Where: more than 40 historic houses across Lazio (Rome, Viterbo, Rieti, Frosinone, Latina).
Cost: free admission (check the official site for any booking requirements or limits).

For the full and up-to-date list of open residences, visiting hours and access rules consult the organizing association's website. Some visits may require reservations or follow scheduled time slots.

Visitor tips

• Verify opening times and booking rules before travelling.
• Arrive early at the most popular sites to secure a place in the visiting slots.
• Follow the guidance of site stewards and respect the rules inside historic properties.

This is an excellent opportunity to discover a widespread heritage that tells centuries of history: from noble residences to medieval castles, courtyards and villas that enrich Lazio's cultural landscape.