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Discover Toronto's Top 5 Architectural Wonders: A Must-See Guide for Visitors

As IREM's partner, the Real Estate Institute of Canada (REIC) has contributed this guest blog to share more information about our amazing host city of Toronto as we prepare to attend the meeting Oct. 9 – 12.

Toronto is home to some of the world's most extraordinary architectural wonders. From towering skyscrapers to historic castles, visitors will be awed by the city's unique and innovative structures. Whether you're an architecture enthusiast or simply looking for some sightseeing inspiration, read on to discover the best of Toronto's architectural landscape.

  1. The CN Tower: The 3rd Largest Tower in the World

The CN Tower stands tall above the Toronto skyline at over 553 meters (about 1814.3 ft) and ranks as the 3rd tallest tower in the world. It is an architectural wonder both in Toronto and around the world. The tower's observation deck offers breathtaking views of the city and its surroundings, while its revolving restaurant provides an unforgettable dining experience. The tower's imposing height and structure have made it a symbol of Canada and a must-see attraction for visitors to Toronto. Its innovative design and engineering have earned it a place among the world's most iconic structures.

  1. The PATH Network: The World's Largest Underground Shopping Complex

With over 30 kilometres (about 18.64 mi) of shopping, dining, and entertainment space, the PATH is a hub for commuters, locals, and tourists alike. Its impressive network of tunnels and walkways connect major landmarks and buildings throughout the city, providing a safe and convenient alternative to walking outside or taking the TTC. The PATH is also home to some of Toronto's most famous attractions and architecture, including the Hockey Hall of Fame, Union Station, and the CF Eaton Centre. Its unique design and functionality make it a true marvel of modern urban planning.

  1. The Gooderham Building: Toronto's Flatiron

This iconic landmark in Toronto boasts a unique triangular/cheese shape that distinguishes it from other buildings, standing tall since its completion in 1892 and serving as a testament to the city's rich cultural heritage and opposition to urban renewal. Its distinctive shape was a solution to the challenge of fitting the building into its narrow footprint at the intersection of Wellington St. and Front St. It was constructed using red brick and stone, giving it a special appearance that sets it apart from other structures in the area. The building's carved stone details and intricate ironwork add to its aesthetic appeal. It remains a historic landmark that is definitely worth a visit.

  1. Ripley's Aquarium of Canada: Canada’s Largest Indoor Aquarium

With its stunning design and astounding collection of marine life from around the globe, it's no surprise that this attraction has quickly become a must-see wonder. Visitors are transported to an underwater world that is both educational and mesmerizing, with features like the magical underwater tunnel, jellyfish light show, vibrant coral reefs, and interactive touch tanks. The building's innovative architecture seamlessly blends modern design with natural elements, making it a true feat of engineering. It houses 5.7 million litres of water and over 20,000 marine animals. With so much to see and experience, it's easy to see why Ripley's Aquarium is a marvel of Toronto's architectural landscape.

  1. Casa Loma: The Only True Castle in North America

Casa Loma is a castle-like mansion built in the early 1900s by Sir Henry Pellatt and E. Lennox. It's situated atop 25 lots in midtown Toronto, offering a picturesque city view. The mansion delivers a medieval aesthetic, intricate stonework, soaring towers, and beautiful gardens. The details of the building's grandeur are unparalleled, with exquisite craftsmanship evident in every corner. With 98 rooms, a secret tunnel, and 5 acres of gardens, visitors can explore the many rooms and halls, each with its unique design and purpose. Casa Loma is a true gem and a testament to Toronto's architectural heritage.


Barc, A. (2020). The history of the Flatiron Building in Toronto. blogTO.

City of Toronto. (2022, June 9). Path – Toronto’s downtown pedestrian walkway.

Encyclopedia Britannica, Inc. (2023). Casa Loma. Encyclopedia Britannica.

Casa Loma. (2020). History.  

CN Tower. (2022). History.

Parks Canada. (n.d.). Gooderham Building.

Tourism Toronto. (n.d.). Ripley’s Aquarium of Canada: Destination Toronto.

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