Historic sites

Discover the many cultural layers of Ontario’s past at historic and heritage sites. From forts and castles to engineering marvels such as locks, canals and lighthouses, explore compelling stories that have shaped this province.

Monuments, heritage landmarks and living history museums honour the traditions and experiences of First Nations Peoples, the original inhabitants and stewards of this land. Trace the arrival of European settlers and the era of the Voyageur fur trade at sites such as Fort William Historical Park in Thunder Bay. Experience daily life in Loyalist settlements of the late 18th and early 19th centuries at recreated communities like Upper Canada Village and Toronto’s Village at Black Creek.

The War of 1812 reshaped Upper Canada with the construction of military strongholds that still stand today. Tour historic barracks and witness re-enacted battles at sites such as Fort Henry in Kingston. Tour key transportation sites, including the Rideau Canal and heritage train stations that once connected a growing province.

Learn powerful stories of courage and resilience at Black History sites linked to the Underground Railroad.

Preserved period mansions and gardens reveal the lives of influential Canadians. Several heritage homes host seasonal and holiday events, showcasing traditional decor, crafts and celebrations.

Experience how Ontario’s past continues to shape its present.

Articles and itineraries

Explore unique destinations, uncover hidden gems and get ideas and inspiration for your next trip.

Quick guide to historic parks, castles and forts in Ontario

Ontario Heritage Trust

The Ontario Heritage Trust is committed to the conservation of places and natural spaces that hold significant stories, traditions, events and knowledge that’s key to understanding our past, defining our present and educating our future.

Doors Open Ontario

Doors Open is a province-wide initiative to allow you access to some of Ontario’s most fascinating heritage and cultural sites and buildings that are usually closed to the public.

Special events are held in hundreds of communities each year from April to October.

Know before you go

Plan ahead with important tips and information.

Check seasonal hours

Some sites only operate during the summer, reduce hours seasonally or open only for special events in the winter. Verify operating hours and pre-book tickets when possible.

Go behind the scenes

Gain access to some of Ontario’s most fascinating heritage and cultural sites and buildings that are usually closed to the public during the annual Doors Open events.

Find more history

Learn more about places and natural spaces that hold significant stories, traditions, events and knowledge at Ontario Heritage Trust.

Search Parks Canada sites

In addition to natural spaces, Parks Canada manages close to 40 designated National Historic Sites across the province and St. Lawrence Parks is responsible for several key attractions.

Book historic hotels

Plan an overnight stay in one of Ontario’s unique historic hotels and inns converted from former banks, factories and even jailhouses.

Honour sacred places

Indigenous sites are part of a living culture. Many hold sacred significance for First Nations communities and offer learning opportunities for non-Indigenous people. Note when photography is not permitted.