The Sydney Opera House Almost Bankrupted Its Own Architect

The Sydney Opera House almost didn't happen the way anyone planned. In 1957, an international design competition drew more than 200 entries from architects around the world, judged anonymously. The winning design — a series of dramatic, sail-like shells rising off Sydney Harbour — came from a relatively unknown Danish architect named Jørn Utzon, who had never built anything of this scale before and, according to some accounts, wasn't even present at the announcement.

What followed was one of the most notoriously difficult builds in modern architectural history. The distinctive curved roof shells, Utzon's signature feature, turned out to be far harder to actually engineer than to sketch — early designs weren't structurally buildable, and it took years of collaboration with engineering firm Arup to arrive at a solution: rather than freeform curves, every shell segment is actually a section cut from a single, enormous imaginary sphere, a geometric solution that let the pre-cast concrete ribs be mass-manufactured rather than custom-built one at a time.

Costs and delays spiraled dramatically beyond the original estimate, and political pressure over the ballooning budget eventually led to Utzon resigning from the project in 1966 — before it was finished — amid disputes with the New South Wales government over funding and design control. He left Australia and, by most accounts, never returned to see the completed building in person. The Opera House was eventually finished by a different team of architects and opened in 1973, roughly ten years behind its original schedule and at more than 1,400% over its initial budget estimate.

Despite that turbulent history, the building became an instant icon and was added to the UNESCO World Heritage list in 2007 — a remarkably fast turnaround for a modern structure, and recognition that specifically credited it as a masterpiece of 20th-century architecture. The roof is covered in more than a million glazed ceramic tiles, self-cleaning and designed to catch and reflect Sydney's light differently throughout the day.

For visitors, guided tours run daily and go behind the public areas into the concert halls themselves — worth doing if the building's story interests you as much as its silhouette, since the guides typically cover the Utzon saga in detail. If you'd rather just take in the exterior, the Opera Bar right at the building's base, or the walk around Mrs Macquarie's Chair across the water, both offer some of the best free vantage points in the city.