For lovers of lockets, seeing historic examples in person offers something photographs cannot capture. The delicate craftsmanship, the intimate scale, the weight of history—these qualities reveal themselves fully only when you stand before an actual piece, imagining the hands that wore it and the memories it held. From elaborate Victorian mourning lockets to Renaissance miniature portraits, museums and special collections around the world preserve these tiny treasures for us to admire and study. Here’s where you can find some of the most remarkable locket collections on the planet.