The ancient structure built to honor the Roman goddess of love is the Temple of Venus. This temple was located in the heart of Rome, dedicated to Venus, the goddess associated with love, beauty, and fertility. The Temple of Venus, particularly the larger structure known as the Temple of Venus Genetrix, was constructed during the time of Julius Caesar and became a symbol of Roman devotion and cultural identity. The architecture and design of the temple reflected the grandeur of Roman art and religion, demonstrating the importance of Venus in Roman society and its influence on their cultural practices.