United States Capitol Neoclassical Dome Sycamore Trees Washington DC USA // WASHINGTON, D.C., USA — The Neoclassical dome of the United States Capitol rises above a terraced stone walkway framed by the vibrant spring foliage of sycamore trees. Designed by architect Thomas U. Walter and completed in 1866, the nearly nine-million-pound cast-iron dome is a masterwork of 19th-century engineering crowned by the bronze Statue of Freedom. The flanking American sycamores (*Platanus occidentalis*) feature distinctive exfoliating bark and broad leaves, serving as key botanical elements within the histor

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