The Hanging Gardens of Babylon. The Hanging Gardens were ancient botanical gardens and thought to have been sited near the royal palace in Babylon, the capital city of the civilization Babylonia, which is in modern-day Iraq. The Seven Wonders of the Ancient World were marvels of architecture, human ingenuity, and engineering on a scale that even the greatest minds today would struggle to reproduce. How did the ancients manage such a feat? Let’s find out.The Seven Wonders of the Ancient World:Epi