Hooglandsekerk is not just a place of worship, but a recommended tourist attraction as well. Make the pilgrimage and enjoy the peace and quiet.
You'll soon see why this Leiden house of prayer is popular with travelers. If you're searching for more to see and do here, Duinrell, Katwijk Aan Zee Beach, and Corpus are in this area as well. They won't take you long to reach from Hooglandsekerk.