Search keywords
Welcome
History
Contact us
FAQ
Feedback
Host an event
2025 events
Become involved
Program criteria, roles and responsibilities
2025 Organizer registration form
Resources
Quick links
Other Doors Open events
Digital Doors Open site submission form
Donate
Digital Doors Open
Activities and games
Collections and resources
Videos
Virtual tours
Community login
Français
Events
Sites
Filter sites by:
(add a filter)
Search
Search
Events
Ajax
Amherstburg
Aurora
Barrie
Belleville
Bradford West Gwillimbury
Brampton
Brockton
Brockville and Area
Bruce County
Burlington
Carleton Place
Chatham-Kent
Clarington
Cornwall and SDG Counties
Cramahe Township
Dutton Dunwich
East Elgin
Elora and Fergus
Erin
Gravenhurst
Grimsby
Guelph
Haldimand County
Halton Hills
Halton Region
Hamilton Region
Hastings County
Highlands East
Innisfil
Kawartha Lakes
King Township
Kingston
Kingston - Part 2
Kingston - Part 3
Kingston - Part 4
Lambton County
Lincoln
London
Loyalist Township
Markham
Minden Hills
Mississauga
Mississippi Mills
Muskoka Lakes
Niagara Falls
Niagara-on-the-Lake
North Bay
North Grenville
Northern Bruce Peninsula
Northumberland County
Oakville
Orillia
Oshawa
Ottawa
Owen Sound
Oxford-Ingersoll
Perth
Peterborough
Prescott and Russell
Quinte West
Richmond Hill
Rideau Lakes
Sault Ste. Marie
Simcoe County
Smiths Falls
South Bruce Peninsula
St. Catharines
St. Marys
St. Thomas
Stormont, Dundas and Glengarry
Stratford
Thunder Bay
Timmins
Tiny Township
Toronto
Trent Hills
Vaughan
Walkerton and Area
Waterloo Region
Wellington North
Whitby
Whitchurch-Stouffville
Windsor
Woodstock
Regions
Central Ontario
Eastern Ontario
Greater Toronto Area
Niagara Falls and Region
Northern Ontario
Ottawa
Southwestern Ontario
Building types
Archives
Attraction
Cemetery
Commercial
Concert hall
Courthouse
Educational facility
Farm
Fire station
Food and drink
Gallery
Government building
Green building
Health-care facility
Historical house
Historical landmark
Library
Masonic lodge
Military
Museum
Place of worship
Post office
Private residence
Schoolhouse
Sports facility
Theatre
Transportation
Union hall
Architectural style
Antebellum
Art deco
Art moderne
Arts and crafts
Baronial
Beaux arts
Brutalism
Byzantine
Cape Cod
Chicago School
Classical revival
Contemporary
Edwardian
Georgian
Gothic revival
International
Italianate
Log structure
Modernism
Neoclassical
Octagon
Ontario cottage
Ontario Gothic
Period revival
Post-modern
Prairie
Queen Anne
Queen Anne revival
Regency
Renaissance revival
Romanesque revival
Second Empire
Spanish colonial
Vernacular
Victorian
Victory housing
Landscape
Conservation area
Garden
Landscape
Natural heritage
Park
Trail
Site services
Digital Doors Open
In-person
Adaptive reuse
Food vendors
French services available
Full wheelchair access
Guided tours available
Kid-friendly
National Historic Site (Canada)
National Historic Site (USA)
Parking
Partial wheelchair access
Photography allowed
Rental opportunities
Self-guided tours available
Site has blue and gold provincial plaque
Site is protected by the Ontario Heritage Trust
Washrooms
2024 theme: Adaptive reuse
Activities and games
Collections and resources
Kid-friendly
National Historic Site (Canada)
National Historic Site (USA)
Self-guided tours available
Site has blue and gold provincial plaque
Site is protected by the Ontario Heritage Trust
Videos
Virtual tours
St. Marys
0 Sites
View as snapshots
View as list
View as map
×