Toronto's Iconic Landmark Has More to It Than You Think
Most Canadians have seen the CN Tower's observation deck or SpaceDeck, but few have ever set foot in the spaces tucked behind the scenes of one of the world's most recognizable structures. That's about to change — at least briefly.
The CN Tower recently gave media a rare look at its off-limits areas during a special preview, and the photos are genuinely stunning. CBC News photographer Evan Mitsui documented the tour, capturing angles and corners of the tower that the public almost never gets to see.
What Makes the CN Tower So Remarkable
Completed in 1976, the CN Tower stood as the world's tallest free-standing structure for over three decades, topping out at 553 metres. It was a marvel of Canadian engineering — built without a template, essentially inventing solutions to problems that had never been solved before.
The tower's antenna, its mechanical floors, and the internal structural systems are the kinds of things engineers geek out over. For everyone else, they're just part of the magic that makes the skyline silhouette so immediately recognizable from kilometres away.
The Doors Open Toronto Connection
The rare access is tied to Doors Open Toronto, the city's beloved annual event that invites residents and visitors to explore buildings typically closed to the public — everything from power stations to heritage homes to government buildings.
It's one of the most popular civic events in Canada, and getting the CN Tower to participate at this level is a genuine coup. Toronto residents and visitors who score a spot on the tour will walk away with a very different understanding of what holds that tower together.
Engineering Details You Won't See From the Observation Deck
The media preview highlighted just how complex the structure is beneath its polished public face. The tower was built using a continuous concrete pour method — a technique that was essentially pioneered on this project — and the internal spaces reflect decades of function-first design.
From mechanical rooms to access corridors, these aren't glamorous spaces, but they tell the story of how Canada built something truly extraordinary in the mid-1970s. It's infrastructure as history.
Why Moments Like This Matter
Opening up landmark buildings — even briefly — does something important. It reminds people that cities are made up of real, physical things built by real people. The CN Tower isn't just a logo on a postcard; it's a working structure with systems that require maintenance, monitoring, and care every single day.
For architecture and engineering enthusiasts, this kind of access is genuinely exciting. For casual visitors, it adds a layer of appreciation that the standard tourist experience doesn't quite deliver.
If you're in Toronto or planning a visit, keeping an eye on Doors Open Toronto's schedule is well worth it — experiences like this one don't come around often.
Source: CBC News / CBC Top Stories. Photos by Evan Mitsui.
