Sea Level (South-West part), Zeewolde, Netherlands

Hours of the Day (1990), Bonnefanten Museum, Maastricht.

Richard Serra's Tilted Spheres in Terminal 1 Pier F at Toronto's YYZ airport

Richard Serra's Viewpoint in Dillingen/Saar

Inside Out

Weatherproof steel, 158 x 982 x 482 1/2 inches (401.3 x 2,494.3 x 1,225.6 cm), 2013