Golden Bay is where Abel Tasman and his crew, the first European explorers to "discover" New Zealand, landed in 1642.
Drive over the Takaka Hill.
Before you get off the road and go off exploring the great outdoors let someone know where you are going and when you will be back. Do not underestimate this land and the risks that it presents to the ill-prepared traveler. If you have any doubts, seek out a local guide familiar with the area you intent to explore.