I think of Mary Jane Holland, like that song by Lady Gaga. Honestly, I have no information on the history of Holland, so I really don't know. If it's in the Netherlands though, I feel like it must be very beautiful in the nature-related parts. And it probably is!
Judging from the average question here most think of drugs.
A little mouse with clogs on. There was a song. Apart from that, windmills and dope.
ik weet t niet
Weed, beer, chocolate, windmills, and Van Gogh.