The Seven Summits challenge has the goal is to place houses on the Seven Summits, the highest mountains of the seven continents.
Map showing the Seven Summits (Image: Public domain, via Wikimedia Commons)

Imagery and local expeditions:
The first stage is to compose images of house on top of the summits could look like and to make Expeditions up local summits with a house model and a camera and telling the story.

The Five Nordic Summits:
The second step is to place houses on the summits of the highest mountains in the Nordic countries.

The Seven Summits:
The third step for the Summits challenge is to place house models on all of the Seven Summits in the World.