The property has jasmine-covered terraces and a 15-acre garden with 5,000 roses that serves as “a living olfactory journey,” Simon says. Guests learn how to harvest flowers like the centifolia rose, which is handpicked at dawn as soon as it blooms in May, and can join a perfume class. Pastry lessons, olive-oil sampling, and wine tastings are on offer, along with a screening room, a spa, and a pool.

— On Fragonard's Mas du Parfumeur estate outside of Grasse, due to open next month. Read more in This French Perfume Brand Is Opening an Exclusive-use Guesthouse at Travel + Leisure.