Montreal Biosphere Environmental Museum

The Biosphere sits on Saint Helen's Island in Parc Jean-Drapeau, a vast open sphere of silver steel tubes woven into thousands of triangles, catching light and framing the Montreal sky through its see-through shell. Built as the United States pavilion for Expo 67 and designed by Buckminster Fuller, it lost its clear acrylic skin to a fire in 1976, and the bare skeleton left behind is arguably more striking than the covered original, a lace of geometry you can look straight through. Nearly every angle gives you something, whether you shoot the whole dome as a graphic ball of pattern or move in close so the triangles fill the frame and turn into pure abstraction. Walk the paved paths that circle the base and the surrounding lawns to catch the full sphere with room to breathe. The island is easy to reach by metro to Jean-Drapeau station and a short walk, there is paid parking on site, and while the grounds around the dome are free to wander, going inside the environment museum involves an admission fee and set opening days, so the exterior is your reliable subject any time. (Montreal, Quebec, Canada)