Engineering · Roman Empire Daily
Rome's grandest bath complex, the Baths of Caracalla, could hold roughly 1,600 bathers at once.
Deep dive
Beyond pools, it offered exercise grounds, libraries, and gardens under soaring vaulted ceilings. Such baths were among the most lavish public spaces in the ancient world.
Source: Scriptores Historiae Augustae, 'Caracalla'; archaeological estimates.
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