MARCELLUS and his men blockaded Syracuse, in Sicily, for two years. The Roman general expected to conquer the Greek city state easily, but the ingenious siege towers and catapults designed by ...

In 1900, Greek divers discovered a 2,000-year-old shipwreck containing a strange mass of wood, metal, and gears. Decades later, scientists realized the fragments belonged to the Antikythera mechanism, ...

The collection includes the Antikythera Mechanism, Roman dodecahedrons, Delhi’s corrosion-resistant iron pillar, Costa Rica’s stone spheres and a Viking coin discovered in Maine. Though often framed ...