Beverly Hills has a public garden most visitors walk right past. The Virginia Robinson Gardens, tucked on a cul-de-sac off Elden Way just north of Sunset Boulevard, is one of the city's earliest estates — and one of its least-known. It's also one of the oldest houses in town: built in 1911, roughly eight years before Douglas Fairbanks moved in, and a year before the Beverly Hills Hotel opened down the hill.

The 6.2-acre property was the passion project of Harry and Virginia Robinson. Harry's father founded the J.W. Robinson department store empire, and the couple bought the empty, barley-covered lot in 1911 after stumbling across it while looking for the Los Angeles Country Club. Virginia, whose father Nathaniel Dryden designed the house, spent decades turning the bare slope into a series of terraced garden rooms — Italian Terrace Garden, rose gardens, tropical patios, and a Palm Garden holding more than 1,000 Australian king palms, plus a banyan, silk floss trees, a Moreton Bay fig and Harry's prized rare ferns. Landscape architect Charles Gibbs Adams, of Hearst Castle fame, is believed to have helped solve the tricky, shady northeast slope around 1925.

The estate earned Virginia her nickname, the First Lady of Beverly Hills. Fred Astaire played tennis on her court; Mary Pickford, Mae West, Charlie Chaplin and Marlene Dietrich turned up at her dinners, where even the china was colour-matched to her couture gowns. In 1974 she left the whole thing to Los Angeles County, and it opened to the public in 1982. It's now on the National Register of Historic Places.

Why go? Unlike the bigger, better-known Huntington or Descanso, this one is small and personal — you're seeing a single woman's garden exactly as she lived in it, from the mosaic-tiled neoclassical pool to the Renaissance-style card pavilion. The catch: you can't wander in on your own. Access is by docent-led tour only, running throughout the week, so book ahead. For garden lovers and anyone curious about old Hollywood, it's the rare attraction that feels like being let in on a secret.