Building with Cor-Ten steel—weathering steel's nom de plume—is a bit like watching a painting slowly come to life over time. Exposure to the elements adds textured hues of red and orange to the material until it steps into a character completely its own. From the Dwell archive, we bring you nine Cor-Ten steel homes with facades that will continue to shift through shades of ochre, amber, rust, and sienna.

1. A Steel-Clad Prefab in Northern California

2. An Off-the-Grid Retreat in Sonoma County

3. A Backyard Retreat on Bainbridge Island

4. A Futuristic Smart Home in Toronto

5. Parallelogram House in Winnipeg

6. A Steel-Clad Farmhouse in Rural Scotland

7. A Rehabilitated 19th-Century Duplex in Brooklyn

8. A Modern Sea Ranch Home by the Pacific Ocean

9. A Nature-Driven Sculptural Home in Northern California

Related Reading: 11 Wood-Wrapped Interiors That Radiate Warmth

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9 Cor-Ten Steel Homes That Have Aged to Perfection