Banharn-Jamsai Tower, located in Chalerm Phrakiat Queen's Park in the heart of Suphan Buri on Nang Phim Road, Taphiliang Subdistrict, is the first and tallest tower in Thailand, standing at 123.25 meters high. It features observation decks, telescopes, souvenir shops, snack bars, and exhibits on Suphan Buri's history, literature, culture, and attractions. The park includes flower gardens, palm gardens, fountains, slides, and a musical fountain.