Farnsworth Residence

Mies van der Rohe's glass masterpiece in Plano, Illinois — a perfect building with a deeply imperfect story

Few buildings in the history of modern architecture have generated more admiration — or more argument — than the Farnsworth House. A glass-and-steel box floating above a floodplain in rural Illinois, it is at once one of the most beautiful structures ever built and one of the most genuinely difficult places to live. That tension between ideal and reality, between the architect's vision and the client's needs, sits at the very heart of what makes this house so endlessly fascinating.

It also ended up in court.

A Philosophy Distilled Into One Beautiful Box

Ludwig Mies van der Rohe is one of the towering figures of 20th-century architecture. Born in Aachen, Germany in 1886, he rose to lead the Bauhaus school before fleeing Nazi Germany and eventually settling in Chicago, where he would reshape the American skyline. But of all the buildings he designed — the Seagram Building in New York, the Crown Hall in Chicago — the Farnsworth House may be the purest expression of his core belief.

"Almost nothing." That was Mies's stated ambition for this house. In German: beinahe nichts. A complete and total architectural philosophy distilled into one beautiful little box.

The house is one of only three single-family residences in the United States designed by Mies. Located in Plano, Illinois along the Fox River, it was conceived as a weekend retreat — a place to escape Chicago and commune with nature. That relationship with the natural world was not accidental. It was the entire point.

The Structure: Engineering Meets Minimalism

The engineering of the Farnsworth House is as radical as its aesthetics. The entire structure is suspended above the floodplain on just eight steel I-beams, welded and painted a brilliant white. There are no load-bearing interior walls. There are no columns interrupting the space. Floor-to-ceiling glass on all four sides eliminates any meaningful boundary between inside and outside — you are, in every sense, living within the landscape.

Key Structural Details

The roof is a steel-framed concrete slab. The floor is heated travertine marble — a material warm to the touch and luminous under light. At the center of the single open room sits a freestanding core clad in Primavera wood, housing the kitchen, bathrooms, and utility spaces. Everything else — sleeping, eating, reading, existing — happens in the single flowing space around it.

The result is a building of extraordinary calm. On a clear morning, with the Fox River visible through every wall and light playing across the marble floor, it feels less like a house and more like a philosophical statement made physical.

"God is in the details." Mies said it, and the Farnsworth House proves it — every weld, every proportion, every shadow was considered.

Dr. Edith Farnsworth: The Client Who Became the Critic

The story of the house cannot be told without the story of its original owner. Dr. Edith Farnsworth was a kidney specialist practicing in Chicago — accomplished, cultured, and deeply interested in the arts. She met Mies at a dinner party in 1945, and was immediately drawn to the charismatic architect.

Their professional relationship, by most accounts, became something more. Farnsworth later wrote that Mies's work was "made by heart and soul" and could only be "cherished with love and respect." She was fully behind the radical vision. She wanted the house. She commissioned it.

Construction began, and the problems began with it.

The Budget Spiral

Costs escalated continuously throughout the build. What was meant to be an affordable weekend escape grew dramatically in expense as Mies pursued his vision with uncompromising precision. Edith grew frustrated. The relationship cooled.

The Practicality Problem

Beyond the money, there was the fundamental question of liveability. A house with floor-to-ceiling glass and no curtains offers no privacy. A single open room with a central utility core offers almost no storage. Edith complained, pointedly, that she could not even keep a garbage can without violating the purity of the architecture.

Mies's response was characteristic of the man: it was a weekend house, he noted. Practicality was beside the point. For Edith Farnsworth, who actually had to live there, it was very much the point.

The Lawsuit and the Legacy

The conflict between architect and client eventually reached the courts. Farnsworth sued Mies over cost overruns. Mies countersued. The case attracted national attention and put a spotlight on a fundamental tension in modern architecture: whose house is it, really — the person who builds it, or the person who pays for it?

Mies ultimately won the legal battle, though the personal falling-out was permanent. Edith Farnsworth moved in, and despite her frustrations, she lived in the house for two decades. She later wrote poetry there. Whatever its faults as a home, something about the place clearly held her.

She sued the man who built it. She lived in it for twenty years. That contradiction may be the most honest review any building has ever received.

After Farnsworth: Flooding, Sale, and Preservation

Edith Farnsworth sold the house in 1972 to British property developer Peter Palumbo, who undertook careful restoration and used it as a private retreat. He added a Barcelona Chair — one of Mies's own furniture designs — and treated the house with the reverence of a collector who understood exactly what he owned.

The Fox River remained a recurring antagonist. The house floods. It was designed to sit above the floodplain on its steel stilts, but severe weather has inundated it multiple times, most notably in 1996 and 2008. Restoration efforts after each flood were painstaking and expensive.

In 2003, Palumbo put the house up for auction. The National Trust for Historic Preservation mounted a last-minute campaign to purchase it and keep it on American soil. They succeeded, raising the funds to acquire it at auction for $7.5 million. Today it operates as a museum and is open to the public.

Why the Farnsworth House Still Matters

The Farnsworth House is not a comfortable building. It never was. Mies did not design it to be comfortable — he designed it to be correct, according to a rigorous and beautiful architectural logic that placed space, light, and structure above every domestic convenience.

That is precisely why it endures. In an era of bloated square footage and homes designed by algorithm to appeal to the broadest possible market, the Farnsworth House stands as a reminder that architecture can be an act of genuine conviction. You can disagree with every decision Mies made. Many people have. Edith Farnsworth herself disagreed, loudly and in court.

But you cannot look at that white steel box floating above the Fox River on a winter morning and feel nothing. That is the power of a building that means what it says.

"Less is more" only works when the less is absolutely right. At Farnsworth, it is.

Visit the Farnsworth House

The Farnsworth House is located at 14520 River Road, Plano, Illinois, and is operated by the National Trust for Historic Preservation (NTHP). Guided tours are available from spring through fall. The site is a National Historic Landmark and was nominated for UNESCO World Heritage status as part of a group of modernist buildings.

It is worth the drive.