Forestiere Underground Gardens, Underground garden complex in Fresno, United States
Forestiere Underground Gardens is a hand-dug complex of 65 rooms, courtyards and grottoes in Fresno, California, built on three levels 10, 20 and 23 feet (3.0, 6.1 and 7.0 m) deep across 10 acres (4.0 ha). Its archways and supports are made from the excavated hardpan reused as bricks, and conical skylights open the ceilings to light and air.
Baldassare Forestiere, born in 1879 in Filari near Rometta, Sicily, immigrated to the United States in the early 1900s after a conflict with his father and bought land in Fresno. Finding the hardpan unfit for citrus and the summers punishing, he dug a small cellar, likely inspired by Roman catacombs and wine cellars he had seen in Italy, then carved attached rooms and lived in them. He kept expanding the gardens with hand tools and a pair of mules until his death in 1946. The site was listed on the National Register of Historic Places in 1977 and as California Historical Landmark No. 916 in 1978.
The underground rooms feature Mediterranean architectural elements with open skylights that allow fruit trees and grapevines to grow beneath the earth. The place reflects a Sicilian immigrant's effort to recreate a familiar homeland landscape in this unusual subterranean setting.
Visitors should wear comfortable shoes since the underground paths are uneven and stairs are present throughout. The temperature below ground stays consistently cool year-round, so a light jacket is recommended.
Fruit trees and grapevines thrive underground, sustained by artificial ventilation and sunlight filtered through shafts above. This surprising combination of farming and engineering shows how nature and human ingenuity can work together beneath the surface.
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