In 1522 he traveled to Spain with his cousin Paolo Vettori, naval commander of the Papal States, and there he collected numerous ancient inscriptions which, once back to Florence, he tried to interpret.
Pada tahun 1522 ia berperjalanan ke Spanyol dengan sepupunya Paolo Vettori, komandan angkatan laut negara-negara Kepausan, dan di sana ia mengumpulkan banyak prasasti kuno yang, setelah kembali ke Firenze, ia mencoba menafsirkan.