Sao Jorge Castle - Museum

Inside the museum, they showed artifacts unearthed in the archaeological digs. Some of them were from the crusaders, and some of them were from the Moorish invaders (because remember, the Moors invaded and held most of the Iberian Peninsula, including Portugal, and were only stopped at the Battle of Tours in France.)

Pictures:

Yep, that's a frying pan

Those are loom weights

That is a lamp