9. One Summer by Calvin Klein

Get it here: beautyspin.com

Oh, this is such a classic fragrance! Just the smell of it will make you nostalgic. Three years later, it's still modern, youthful, and somehow adventurous, with aquatic notes and hints of citrus. It also has notes of fresh cucumber, water lily, and sweet watermelon, balanced by musk and moss. It's definitely CK-One-of-a-kind!