University of Padua Botanical Garden (Padua’s Botanical Garden), established in 1545, is recognized as one of the oldest botanical gardens globally. Spanning 22 hectares, it boasts an impressive array of exotic plants, featuring many that are rare and endangered. The garden is organized into various sections, such as the Giardino dei Semplici, the Giardino dei Biodiversi, and the greenhouses, which showcase a diverse collection of tropical and subtropical flora. One of the standout features of this garden is the distinctive Art Nouveau architecture of its greenhouses.