The Inwood United Church is nestled in the centre of the village of Inwood and is surrounded by a farming community. The church has a working bell tower located at the entrance, which patrons can ring on Sunday morning as they enter for worship. There is a large, open sanctuary with an adjoining kitchen and Sunday school room to explore.

The Woodbridge Agricultural Society celebrates its 177th year! The Woodbridge Fairgrounds contain several buildings, one of which is The John Abell Pioneer Building, which stores an extensive collection of historical farm equipment. This building houses one of two remaining Abell steam engines, along with a thrasher and combine, and much more. Come get a peek inside this rarely open treasure!

Built in 1853, this house is of rare, horizontal plank construction, an uncommon method of construction. The Baker family were early settlers in Vaughan. They were also considered to be maple syrup pioneers (read some of their history here). During Doors Open, tour the house, the cottage and sugar shack to learn more. Part of Sugarbush Heritage Park.

The original structure on this site, known as the Thom Building, was built by local photographer John Strathearn Thom to accommodate his photography studio. This purpose-built gallery, which opened in 2012, includes equipment that uses strict environmental controls to display art. Today, the collection comprises primarily Canadian historical and contemporary works of both local and national significance.

Located in the centre of Kleinburg village, the two-storey Kline House (also known as the Henry Stark Howland House) was built around 1858 by John Nicholas Kline, owner of a saw and flour mill. It has a white clapboard exterior and large veranda. During Doors Open, volunteers will help you explore the place through photos, artifacts and other memorabilia.

Set among pristine woodlands, the Kortright Centre for Conservation combines a natural oasis with some of the most leading-edge programs and events in Canada. Throughout the year, they offer environmental education programs for schools, as well as sustainable technology workshops for the public, trades and professionals. Enjoy the trails and tour the sustainable houses to learn how green technology works.

Lakeview Cemetery is a 28-hectare (70-acre) cemetery offering indoor niches, outdoor cremation plots and niches, as well as traditional full burial plots. The historical mausoleum contains full burial crypts and indoor niches. The mausoleum is also the first of its kind in the Sarnia area with its unique construction in the Greek revival style. Enjoy a peaceful and contemplative tour.

The Lambton County Archives supports local genealogical and history research — with highlights that include local newspapers, land records and census records. Explore unique documents and photographs from the collection. Take a rare behind-the-scenes tour of the collection's storage vault (not normally accessible to the public). Learn about the history of Lambton County through this fascinating collection.

Discover Lambton County's historical charm though artifacts, stories and interactive experiences at the Lambton Heritage Museum! Established in 1978, there's plenty to explore. Uncover the community’s history in the Lambton Gallery, get a glimpse of how they store artifacts in the Collections Centre, and take a step back in time through the five historical buildings and two exhibition halls.

Discover the unique collection of Ray and Marjorie Lloyd — a local treasure — housed in a barn on their farm property. See antique farm equipment, home goods, pop culture items and more! The Lloyds will be on site to answer questions and chat about their collection; they will gladly share information about local history, too.

The designated cemetery vault at the Maple Cemetery was constructed in 1882 for the purpose of housing bodies during the winter when the ground was frozen. At the time, machinery to dig through the winter frost was not readily available. During Doors Open, come and take a self-guided tour of the cemetery with its old stone vaults and mausoleums.

Immerse yourself in the history of Petrolia in this charming house. Built in 1880, it was originally owned by James McCort, whose company partnered to form the Canadian Oil Company. Now on its fourth set of caretakers, the house is a beautiful example of original Victorian architecture. Enjoy a guided tour, light refreshments and a display on the building's history.

Located on the original lands of the Ojibwe Anishinaabe people, the McMichael Canadian Art Collection spans 40 hectares (100 acres) of forested land along the Humber River. Its permanent collection comprises over 6,500 artworks by Tom Thomson, the Group of Seven, their contemporaries and First Nations, Métis, Inuit and contemporary artists who have contributed to the development of Canadian art.

Come and explore bygone days in this rural, heritage village, which includes a one-room schoolhouse, a historical church, a blacksmith shop, log cabin, Victorian cottage, railroad station, fire hall, caboose and more. Discover how people worked the land in the agricultural implement building or learn how they navigated the lakes with a marine exhibit room and 1890 range light.

Nathaniel Wallace, an Irish immigrant, built this house in 1873. Today, it is part of the Woodbridge Heritage Conservation District — and is also a designated building. Their mandate is to promote natural and cultural heritage, and to reflect the heritage of Woodbridge and the contemporary cultural character of its community. Enjoy a curated tour by the Friends of Wallace House.

Nemo Hall was built for John J. Kerr, a prominent builder, lumber mill owner and oil man. The home is an excellent example of the Second Empire style, and the only remaining building of this architectural type in Petrolia. The original property was three acres and included the house, a coach house, an orchard, exotic gardens and five oil wells.

This house was built for the Noble family — one of Maple’s earliest settlers. The original house transitioned from a frame structure to this fine brick building, which was erected by Sarah Noble (Lord Beaverbrook’s maternal grandmother). Enjoy a rare opportunity to have a curated tour of the ground floor, which will showcase some of the building’s spectacular architectural features.

The Oil Museum of Canada, in the Village of Oil Springs, preserves the site of the first commercial oil well in North America. Learn the story of Canada’s oil pioneers — a unique and captivating era of our shared history! The 4-hectare (10-acre) site features four historical buildings with reconstructed spring-pole and three-pole derricks dominating the property.

This old firehall, constructed in 1885, is now a unique community museum that features displays of historical and heritage artifacts that educate and inform residents and visitors about the Warwick community. The most popular items on display include the Maxmobile (a car handmade by David Maxwell) and Watford's first fire truck (Engine No. 1), which was built in 1936.

The Olde Post Office, completed in 1894, served as Petrolia's post office and offices for Inland Revenue and Customs. Designed by architect Thomas Fuller, the building reflects Petrolia's oil boom affluence. It was decommissioned in 1964 and designated for its cultural and architectural significance. Now owned by Lambton County Developmental Services, it contains affordable housing and a gift/ice cream shop.

Visit Petrolia Discovery and take a guided tour through the only 1860s operating oil field in the world that’s open to the public. Don’t miss the Fitzgerald Rig. In continuous service since 1903, this mechanical marvel still serves as a power source to oil wells connected by a jerker line. Experience this historical working oil field in person!

The Petrolia Library stands as a remarkable example of early railway architecture, featuring the eclectic Queen Anne style that was popular at the time of its construction. Originally the community’s second station, this historical building replaced an earlier depot from the 1860s. During Doors Open, explore the station’s significant role in the development of Petrolia’s oil industry through site interpretation.

Built in 1926, the Kleinburg United Church remains a cherished landmark with its striking Gothic revival architecture. Today, it is the Pierre Berton Heritage Centre, which aims to provide visitors with a high-impact, immersive experience in Canadian history, while allowing them to learn more about the extensive career and influential works of one of Canada’s preeminent authors and media pioneers.

Discover the rich history of Point Edward at the Point Edward Library during Doors Open! A special display of the local historical collection will be on view, offering a glimpse into the village’s past through unique artifacts and stories. Don’t miss this chance to connect with the heritage of Point Edward and learn about the community’s journey through time.

Step into history at the Sarnia Library! Explore the Lambton 175 exhibit, developed by the Lambton County Archives, which showcases 175 years of local history through captivating stories and artifacts. From 1:30 to 2:30 p.m., enjoy a free live performance by Sisters of Choice, an engaging and energized trio performing hits from the 1940s to the 1970s.