Located in the Old Town Square, the Prague Astronomical Clock has been around since the 15th century, though it has required repairs many times over its history. This clock doesn't display the ...

The Antikythera mechanism was similar in size to a mantel clock, and bits of wood found ... the cosmos in bronze weren’t just modeling astronomical theories but were also inspiring them.

one of the best places to get a bird's-eye view of the city and the Prague Astronomical Clock, a beautiful timepiece dating back to the 1400s. Other architectural highlights found within the ...