Written by Sanne de RidderOpen Monument Day 2026 in Haarlem: 12 and 13 September
Saturday 12 and Sunday 13 September about 65 Haarlem monuments open for free. Grab the booklet and pick a few doors you have never walked through.
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Inspiration, tips and ideas for a day out in Haarlem.
- Written by Sanne de Ridder