When the unpredictable Calgary weather takes a turn for the worse, Calgarians in the downtown core head indoors to the Plus 15 system. Created in the 1960s by city planners, the system is presently made up of 57 bridges and 16 kilometers of walkways.

The +15s provide a comfortable, indoor environment to trek around downtown, connecting office buildings, hotels, and even some downtown attractions.  Though they are mainly used by people working in downtown offices to move from building to building, there are many mini-attractions around the system, which can easily be turned into a self-guided walking tour. (more…)