Doors Open Ottawa 2024 Theme. It’s free, it’s fun, and it’s the perfect way to discover how.  — come explore ottawa’s architecture, culture & history for free during the 2024 edition of doors open ottawa which will be held june 1 & 2.

During this early june event, you can visit more than 100 significant buildings across ottawa—including many that normally charge.  — come explore ottawa’s architecture, culture & history for free during the 2024 edition of doors open ottawa which will be held june 1 & 2.