Some of our greatest stories get their start on the Forum, and these threads and photo updates are a great place to dive in.

In Vancouver, construction of Canada's largest "passive house," formally dubbed The Heights, was captured by Roundabout.

The Heights in Vancouver, image by Forum contributor Roundabout

A piledriver has been spotted in Calgary where the West Village Towers are anticipated to rise. 

West Village Towers in Calgary, image via NORR

Topped out and almost fully dressed, 3Eleven in Chicago received attention in new photos from harryc.

3Eleven in Chicago, image by Forum contributor harryc

In New York City, construction of the 54-storey 23 Park Row has peeked above grade according to photos by towerpower123.

23 Park Row in New York City, image by Forum contributor towerpower123

Finally, Renzo Piano's Palais de Justice in Paris was captured by Vincent !

Palais de Justice in Paris, image by Forum contributor Vincent !