You might want to spend some time browsing the exhibits at Villa Menafoglio Litta Panza and Collection, Villa Mirabello Museum, or Baroffio Museum. Castiglione Olona, Sacro Monte di Varese, and Villa Mylius are monuments to see when you're exploring the area around Masnago Castle. You might spend a leisurely day outdoors at Estensi Gardens and Villa Cicogna Mozzoni.