Martha Canipe
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Allow plenty of time for this excellent museum, I was there almost four hours! The collection is larger than you think, has good signage in English, and continues to wow you right till through the end. Thankfully, there are benches as well.
At the time I visited, there was a separate exhibition in the basement based on caves. That might sound odd, but the curators had pulled all kinds of different things found in caves, like one of the oldest human skulls, weapons, cooking pots, religious artifacts, etc. It was different and intriguing!
Allow plenty of time for this wonderful museum, it’s not something to rush through. Very much a “must see” when in Thessaloniki.