The patron of Segonzano is San Bartolomeo, celebrated on 24 August.
The municipality holds the castle of Segonzano, built in 1216 by Rodolfo Scancio: it fell into ruin after being damaged in 1796 and was restored and made safe in 2006. Also here are the Chiesa degli Angeli Custodi, the Santuario della Madonna dell'Aiuto, the Chiesa della Madonna di Loreto, the Chiesa di Sant'Antonio da Padova and Palazzo a Prato.