Forestiere Underground Gardens
Forestiere Underground Gardens is a network of subterranean gardens, courtyards, and rooms built by Italian immigrant Baldassare Forestiere in Fresno, California, between 1906 and his death in 1946. The hand-carved complex, excavated from hardpan soil, covers about 10 acres and features citrus trees, grottos, and living spaces. It is now a historic site open to the public.
Background
- Forestiere Underground Gardens is a historic subterranean complex of rooms, courtyards, and passageways hand-dug by Italian immigrant Baldassare Forestiere in Fresno, California, from 1906 until his death in 1946.
- Forestiere, who had worked on subway tunnels in Boston and New York before moving to California, intended the gardens to be a seasonal retreat; he used only hand tools and his own engineering intuition to carve the 10-acre network up to 25 feet deep.
- The site features sunken gardens, fruit trees, a Roman-style atrium, and an aquarium — all lit by clever skylights that channel natural light underground, providing natural cooling in the hot Central Valley.
- It is listed on the National Register of Historic Places and remains open for tours, though it is not a commercial garden in the ordinary sense — it is an eccentric, single-author piece of vernacular architecture comparable to other outsider-built environments like the Watts Towers or Coral Castle.