The Wonderful Barn in Ireland is considered a technical and engineering achievement from the 18th century
The Jaquet-Droz Automata: mechanical wonders from the 18th century, considered by some to the ancestors of the modern computer
The Wonderful Barn in Ireland: Unusual and striking structure, considered a technical and engineering achievement from the 18th century
Built in the 18th-century, the Royal Eise Eisinga Planetarium is the oldest still working planetarium in the world