Largely unknown to most visitors, the Dutch Period Museum offers, as you can imagine, a peek into the era of Dutch governance. Located in a seventeenth-century building, it was once a post office before being converted into a museum. It retains its old-time charm as well as the seventeenth-century design work. On the inside, you can find Dutch Era artefacts as well as colonial furniture among many other interesting items. The Dutch Period Museum is located in Colombo 11 and definitely deserves a visit.