I loved the Biodome! This is such a fun museum to learn about different animals and their habitats. It's also walking distance from the Botanical Gardens (with very well-marked signs along the way). You can get a ticket package and visit both sites in one day. Go to the Biodome early, when they first open, to beat the long lines. My favorites were the Capybara in the rainforest, the Canadian Lynx in the Laurentian Mountain section, and the Penguins in the Arctic section. Their special exhibit was on Sloths. Unfortunately the sloths were either sleeping or too shy, as I didn't actually get to see them come out of their domicile. I'd definitely go back, and it's great for kids!