What did Celts build?

The Celts built a variety of structures, including hill forts, which served as defensive settlements, and roundhouses, which were circular dwellings made of timber and thatch. They also constructed intricate stone monuments, such as dolmens and stone circles, often used for ritual purposes. Additionally, Celts created elaborate metalwork, including jewelry and weapons, showcasing their advanced craftsmanship. Their settlements were often strategically located near resources like rivers and fertile land.