Opus 40 is unlike any sculpture park in America—it is, in fact, a singular monumental sculpture, a 6.5-acre environmental earthwork carved from an abandoned bluestone quarry over the course of 37 years by artist Harvey Fite. Listed on the U.S. National Register of Historic Places and recognized as both a national and local historic landmark, Opus 40 stands as one of the most remarkable examples of 20th-century environmental art and an extraordinary testament to one man's vision, persistence, and artistry. The name "Opus 40" refers to Fite's initial estimate that the project would take 40 years to complete—he worked on it for 37 before his accidental death in 1976, leaving behind a masterwork that continues to astonish visitors half a century later. The story of Opus 40 begins in 1938 when Harvey Fite, a sculptor and professor at Bard College, purchased the old Flensburg Quarry in Saugerties in the Hudson Valley. Initially, he intended to use the quarry simply as a source of bluestone for his representational sculptures. But a transformative experience changed everything: Fite spent a season in Honduras restoring Mayan ruins, where he became captivated by the ancient technique of dry-stone construction—the practice of building with precisely fitted stones without mortar or cement, relying solely on gravity, friction, and masterful craftsmanship. Inspired by this timeless method, Fite returned to his quarry with a radically new vision. What began as a plan to create an outdoor gallery for his carved statues evolved into something far more ambitious. As Fite constructed ramps, terraces, and pathways using the dry-keying technique, he realized that the infrastructure itself had become the art. The pedestals were more compelling than the sculptures they were meant to display. In a pivotal decision that defines Opus 40's genius, Fite removed his representational works to the surrounding woods and dedicated himself entirely to the emerging environmental sculpture. The quarry itself would become the masterpiece. Over the next 37 years, working almost entirely alone with hand tools—chisels, hammers, pry bars, and wedges—Harvey Fite hand-laid hundreds of thousands of bluestone blocks quarried from the site. Every stone was individually cut, shaped, and positioned without mortar, creating an intricate network of steps, terraces, platforms, and curving ramps that flow organically across the landscape. The scale is breathtaking: sweeping walls rise and fall in elegant curves, monumental staircases ascend to nowhere and everywhere, and carefully engineered pathways lead visitors on a journey through Fite's imagination made stone. At the heart of Opus 40 stands its crowning achievement: a nine-ton bluestone monolith that Fite erected in 1964. This single standing stone, positioned at the sculpture's highest point, serves as both focal point and spiritual anchor. The monolith is visible from various vantage points throughout the work, acting as a beacon that draws the eye upward and unifies the composition. The view from its base—overlooking the entire sweep of terraces with the Catskill Mountains in the distance—is one of the most sublime experiences in American outdoor art. Opus 40's beauty lies in its relationship with its environment. This is not an isolated object placed in a landscape; it is carved from the landscape itself, using materials indigenous to the site. Natural water pools that formed in the quarry's depressions were incorporated into the design, their still surfaces reflecting stone and sky. Native vegetation has been carefully preserved, with trees, grasses, and wildflowers softening the hard edges of bluestone. The sculpture changes dramatically with seasons and light: summer's green growth creates a verdant frame for gray-blue stone, autumn leaves carpet the terraces in gold and crimson, and winter snow transforms the site into a stark minimalist composition of white and blue-gray. The craftsmanship on display at Opus 40 is humbling. Every joint, every fitted edge, every precisely angled stone represents hours of patient labor. Fite's understanding of stone behavior—how bluestone cleaves, how weight distributes, how friction holds—is evident in every square foot. The work has endured for decades without mortar, a testament to the soundness of ancient building techniques and Fite's mastery of his craft. Recent restoration efforts have focused on stabilizing sections that are beginning to fail, using Fite's original dry-stone methods to ensure the sculpture's survival for future generations. Beyond the sculpture itself, the site includes the Quarryman's Museum, housed in a renovated barn that Fite designed. The museum displays 19th-century quarrying tools, period furnishings, and artifacts that illuminate the bluestone industry that once thrived in the Hudson Valley. This context enriches the Opus 40 experience, connecting Fite's artistic vision to the region's industrial and social history. Visitors gain a deeper appreciation for bluestone as both building material and artistic medium. Opus 40 occupies a unique position in American art history. It predates and parallels the Land Art movement of the 1960s and 70s—artists like Robert Smithson, Michael Heizer, and James Turrell who created large-scale earthworks in remote landscapes. Yet Fite worked in relative isolation, motivated not by art world trends but by personal vision and connection to place. His work shares spiritual kinship with the monumental stone constructions of ancient civilizations—Maya temples, Incan terraces, European megaliths—while remaining utterly contemporary in its abstract formal language. Visiting Opus 40 is a physical experience. The sculpture is meant to be walked, climbed, explored. Visitors don't merely look at the work; they inhabit it, discovering new perspectives and spatial relationships with each step. The pathways create a choreographed journey through space, offering constantly shifting views and unexpected juxtapositions. This interactivity distinguishes Opus 40 from traditional sculpture—it's environmental art that requires bodily engagement, where understanding emerges through movement and exploration.
6.5-acre monumental bluestone environmental sculpture created over 37 years by artist Harvey Fite. National Historic Landmark with museum and wooded trails.
Harvey Fite (1939-1976)
The entirety of Opus 40 is a single environmental sculpture—6.5 acres of interlocking terraces, ramps, and platforms constructed without mortar using traditional dry-keying techniques. Every stone was hand-placed by Fite over 37 years, creating a monumental testament to vision, craftsmanship, and the integration of art with landscape.
Harvey Fite (1964)
A nine-ton bluestone standing stone positioned at the highest point of Opus 40. The monolith serves as the sculpture's focal point and spiritual center, visible from multiple vantage points throughout the work and offering panoramic views of the terraces and surrounding Catskill Mountains.
Art Styles: Environmental, Land Art, Modernist, Architectural
Open seasonally late May through mid-October. Friday-Sunday and Monday holidays, 10 AM-5:30 PM (last admission 4:45 PM). Check website for exact seasonal dates.
$12 adults, $10 seniors (62+), $8 students with ID, $6 children 6-12, children under 6 free. Group rates available.
Free parking on-site.
Seasonal