Design

America's State Capitols: An Architectural Explainer

Like much of the built environment in the U.S., they are a bit more similar than you’d hope, and yet harbor plenty of intriguing variety.
New York's state capitol in Albany required multiple architects and 32 years to finish. Library of Congress

You might, in the abstract, expect a dazzling range of difference in 50 variants on the same theme. But if states are laboratories of democracy, architects of state capitols have been copying over their lab mate’s shoulders.

Consider a few traits: Thirty-nine of them have domes; a considerable majority feature symmetrical wings for senate and house chambers; porticos and rotundas seem almost obligatory; almost all are built of granite or limestone.