This week, I have stairs on my mind. A specific stairwell is on my mind in particular, but I won’t bore you with those details today. Instead, I’ve collected three sets of stairs for you, to prompt your own step-minded thoughts.

Oskar Schlemmer, Bauhaus Stairway, 1932. Oil on canvas. Museum of Modern Art, New York, New York.

Tamara Thomsen, Stairway, 2008. Watercolor on paper. www.tamarathomsen.com

M. C. Escher, House of Stairs, 1951. Lithograph.