Pomodoro designed a controversial fiberglass crucifix for the Cathedral of St. John the Evangelist in Milwaukee, Wisconsin. The piece is topped with a fourteen foot in diameter crown of thorns which hovers over the figure of Christ.
Some of Pomodoro's Sphere Within Sphere (Sfera con Sfera) can be seen in the Vatican Museums, Trinity College, Dublin, the United Nations Headquarters and Mt. Sinai Hospital in New York, the Hirshhorn Museum and Sculpture Garden in Washington, D.C., Christian Theological Seminary in Indianapolis, the de Young Museum in San Francisco, Tehran Museum of Contemporary Art, American Republic Insurance Company in Des Moines, Iowa, the Columbus Museum of Art in Columbus, Ohio, the University of California, Berkeley, the Virginia Museum of Fine Arts in Richmond, Virginia, and the Tel Aviv University, Israel.
In 1999 he founded Fondazione Arnaldo Pomodoro in Milan. Originally conceived as a centre to document and archive the work of the artist, it opened an exhibition space in 2005, hosting exhibitions of prominent artists such as Jannis Kounellis, Lucio Fontana and Robert Rauschenberg. The director of Fondazione Arnaldo Pomodoro is Flaminio Gualdoni.Wikipedia