Vis­it the beau­ti­ful Neo­clas­si­cal main build­ing which hous­es col­lec­tions of Greek art, from ancient times through the Byzan­tine peri­od and the mod­ern state. Open late and for free on Thurs­day evenings. The muse­um shop is a good place to buy sou­venirs. There is a small selec­tion at high prices but the qual­i­ty is excel­lent.