Downton Abbey, the popular BBC show about an Edwardian-era family & their estate, is filmed at Highclere Castle, a royal estate with a garden that dates to 1218. Today, the garden retains the aesthetic of its most famous designer—Lancelot Capability Brown, a preeminent British landscape architect who championed rolling meadows and natural overgrowth.
A British town grows vegetables that anyone can harvest, a plan to cover the Eiffel Tower in trees, the Ice Cube video about his love for Eames, and a nine-mile park on an abandonned railway in New Haven, Connecticut.
Each year, London's Serpentine Gallery has a temporary pavilion designed by a well-known architect. This year's version is by Pritzker prize winner Peter Zumthor, with a garden by Piet Oudolf—the first time horticulture has joined architecture in the 11 years of the pavilion's history.
The Temple of Flora is perhaps the most famous florilegium or book of flowers from the golden age of botanical illustration. It's a charming collection of deliberately idiosyncratic flower portraits that became the portrait of a nation.