This is the signature view at Nemours. Actually, the view back to the mansion from the Temple of Love, which features a gorgeous statue of Diana the huntress. She's been restored to a sheen and the ceiling of her temple painted a lovely light yellow, its original color, replacing a jarring blue.
In this video, Nemours executive director Grace Gary describes the quarter-mile vista from temple to Beaux-Arts house. It's a series of grass terraces, leading to the reflecting pool that was used by the duPonts for swimming and boating (replica of Alfred's rowboat right in front), the Colonnade and sunken gardens.
You can't see the Temple of Love in this video. I have a photo I'll download. Even in photo form, it's not to be missed.