St. Barnabas is a site of architectural and ecclesiastical heritage and is one of the oldest Anglican parishes in Toronto. The current red brick building was built in phases between 1910 and 1925. Stained-glass windows and carved-oak woodwork dominate the interior. During Doors Open, the archivist and volunteers will answer questions while volunteer musicians showcase the church’s excellent acoustics.

The St. Catharines Museum and Welland Canals Centre showcases the city’s history through artifacts and exhibits overlooking Lock 3 of the Welland Ship Canal and the nearby Welland Canals Fallen Workers Memorial. Its galleries explore earlier canals, the Underground Railroad, and the contributions of immigrant and Freedom Seeker communities in the 1850s, alongside exhibits on women’s history and local industry.

Take a guided stroll along the quiet streets of the Yates Street Heritage District, only steps from bustling downtown St. Catharines. This architectural heritage tour is led by Brian Narhi, chair of the City’s Heritage Advisory Committee. Hike begins at the St. Catharines Cenotaph at 6 St Paul Street West and ends at St. Thomas Anglican Church; Pre-registration Required.

This church is an active community member — with bi-monthly neighbourhood dinners, the O’Share program for those with food and housing insecurity, the annual Great Lakes Sailors Blessing of the Fleet, community concerts, the weekly Shoreline Chorus and a weekly youth karate group in the parish hall. Doors Open Owen Sound is a wonderful opportunity to explore this heritage building.

A synagogue until 1937, St. George’s Greek Orthodox Church stands as a dynamic affirmation of the spiritual and artistic achievement of the Byzantine religious tradition. Except for its Romanesque façade and a few Moorish capitals, the renovated structure is now more thoroughly Byzantine in its layout and esthetic décor. The church interior has been entirely painted by master iconographers.

The current stone St. George’s Memorial Church — a distinctive landmark in Oshawa for 100 years — replaced a wooden structure that previously stood on this site. It continues to have an integral place in the city’s history, recognized by its bell tower and carillon. During Doors Open, come and view the church’s interior, which showcases its architectural artistry, beauty and serenity.

St. George's on-the-Hill has been a landmark in Etobicoke for 180 years. Built in 1847, the church building has undergone many renovations but still incorporates the original structure in the centre of its worship space. Highlights include many stained-glass windows (including the modern "Children of the Bible" window), a Casavant pipe organ, an 1865 font and the parish's small cemetery.

St. George’s, the first established church in St. Catharines, celebrates its 235th anniversary next year. The grey stone church features carved stone, stained glass, war memorials, and a magnificent pipe organ, creating an inspiring setting for worship. It also supports a daily breakfast program and serves as a hub for shelter, community gathering, and music programs for all ages.

St. Ignatius of Antioch Orthodox Church is an English-speaking parish of the Antiochian Orthodox Christian Archdiocese of North America, located in the former Queen of Angels Roman Catholic Church. Since its 2013 purchase, the sanctuary has been transformed with Byzantine-style iconography, including works by Alexander Schelechow and Hanan Houli, reflecting a growing, vibrant community rooted in tradition and faith.

This Gothic-revival cobblestone church was built in 1839 by Levi Boughton in Upper Town on land purchased from town founder, Hiram Capron. Inside, there are unique features often unseen, including a one-of-kind Lepers Window, one of only two working tracker organs in Canada, military plaques and beautiful stained-glass windows.

This 1836 garrison church was built by the soldiers of the military and naval establishment that previously occupied the site, established to repel the American invasion of 1812. Simple yet attractive, this church has been restored to its original state, with wooden shingles, clapboard siding and handmade iron decoration.

The Chapel of St. James-the-Less is a mid-19th-century Victorian Gothic revival funeral chapel that is picturesquely set atop a small, landscaped knoll just inside the main gates of Toronto’s St. James’ Cemetery. Designed by Cumberland and Storm, it was designated a National Historic Site in 1990. It is enhanced by its elevated position, surrounded by the peaceful cemetery.

This church features a simple Gothic Revival style with a gable roof, belfry with pointed arches, buttresses, a brick vestibule, chancel and side wing, and a rose window. The building hosts the Light on the Hill Church an evangelical family church that serves Richmond Hill and York Region. Tour the building, cemetery and gardens, explore historical artifacts and enjoy all-day breakfast.

Founded in 1935, the congregation purchased a building at Simcoe and Bloor Streets, serving as both Church and Parish Hall. Following construction of this Temple in 1949, the original building was transformed into the Parish Hall, later named Odesa Hall.  A new, accessible hall was added to the building in 2020.

This red brick building is a familiar Ottawa landmark. Note the separate entrance for the community thrift shop, while another door is the way into The Well — a day program for women. Throughout the summer, their Indigenous Engagement Coordinator offers smudging each Sunday. The bell can be heard throughout the neighbourhood. Music can also often be heard when passing by.

Drop by and visit the quaint, little St. John's Anglican Church in the village of Bath and explore the craftsmanship of its traditional stained-glass windows. See if you can guess which of these windows has been carefully restored by a craftsman who also restored windows for the Parliament Buildings in Ottawa.

St. Lawrence Hall was built in 1850 as a meeting place for public gatherings, concerts and exhibitions. Restored to its original grandeur in 1967, the Hall — with its three major rooms — continues to serve as a breathtaking venue for inspired special occasions. On Sunday during Doors Open, Opera Atelier — one of the building's tenants — will present brief classical performances.

St. Lawrence Market is a premier culinary destination, celebrating the best of Toronto's rich food and community heritage. The newly redeveloped North Building is the historical home of the Saturday Farmers’ Market — a cornerstone of the Market's heritage since 1803. The North Market also hosts a diverse range of events, a new café, the Toronto Court Services and multi-level parking.

The Coptic Orthodox Church was founded by Mark the Evangelist in AD 43. St. Mary & St. Joseph has a distinctive history and boasts unique architectural features. Beautiful hand-painted murals, carved wood and imported Egyptian marble grace the church’s interior. Join a guided tour and learn about the culture and heritage of the Coptic community in Richmond Hill.

Although St. Mary the Virgin, Blackburn no longer offers Sunday services, it is available for use as a venue for musical presentations, art shows, a coffee house and more. Over the years, many changes and upgrades have been made. The stained-glass window was donated following the World Wars. The adjacent cemetery, too, pays homage to generations of area settlers.

This church was built after Old St. Mary's at Pinhey's Point was deemed structurally unsafe. Many of the pews and other interior fixtures are from the former church. Old St Mary's was the first Anglican church in the Ottawa diocese and is the oldest church in the Ottawa area. Of note are the stained-glass windows and the lovely wooden interior.

St. Paul's Anglican Church (a.k.a. St. Paul's Bloor Street) is the world’s largest parish church building. It is filled with stained glass and plaques commemorating congregants who served in the First World War. A 2006 renovation connected existing buildings to host concerts, meetings, conferences and programming. Explore the sanctuary, take a tour and enjoy hourly organ recitals.

St. Paul's Chapel is a Middleport landmark. Its tower is furnished with a bell that tolls to this day. The chapel itself, within a cemetery on the banks of the Grand River, offers a remarkable heritage legacy of past generations and beautiful natural vistas. Now a community centre and wedding venue, it is also home to the Middleport Heritage Society.

The congregation (established in 1852) worshipped in a frame church erected in 1851 just west of the present church. The original structure was moved to the Tugwell Farm, where it still stands. The limestone for the current church was cut and prepared by inmates of the Kingston Penitentiary. The cornerstone of the present sanctuary was laid in 1883.

Reverend James Peter Scanlon formed an Anglican congregation in the late 1950s. This congregation purchased land for a new church that was officially opened on May 1, 1959. After being partnered to various Anglican parishes, St. Peter’s became its own parish on July 1, 1979. Learn more about this church and its history during Doors Open Loyalist Township.