I was in Frederiksoord just two weeks ago. It's certainly not very spectacular to see, but I found the story behind it very interesting. I may be a bit biased because it's part of my own country's history. I do hope that being a WHC will create a broader awareness for this part of our history. 

A new visitor centre opened here in 2019. It had to close just a few months later and just reopened now. It tells the story in a modern, audiovisual way. After that, while taking a walk, or better the tramride, through Frederiksoord/ Wilhelminaoord you really get a good feeling for the story. A volunteer on the tram, born here in the final days of the colony, talked about growing up here and told stories about her grant parents etc.

The visitor centre explains all in English, as do many signs in front of a number of buildings. On the tram, the story was told in Dutch, but there were no international visitors (mainly due to the covid situation, I guess). Perhaps, if visitor numbers and tramrides increase, this can/will be done in English as well.