The Pearl Mosque, Agra (1893) captures the serenity and architectural grandeur of the Mughal-era mosque. The painting showcases Weeks’s fascination with the effect of intense sunlight on white marble. He described the mosque’s courtyard as having the “blinding dazzle of a snow-field.” The composition features figures strategically placed around a central tank, their earthy tones providing a striking contrast to the luminous marble. Weeks masterfully renders the interplay of sunlit surfaces and translucent shadows, endowing the painting with a palpable luminosity and a sense of calm reflection. The work served as a model for his later, more monumental piece, “The Hour of Prayer at the Pearl Mosque, Agra,” which won him a gold medal at the 1889 Paris Salon.