My most luxurious and adventurous trip:
There have been lots. I really like the current one I'm on, which includes a 5-day Land Rover safari across the South Island, jetboats in the wilderness, Maori warriors in the mountains, fly fishing, diving an active volcano, wilderness rafting, and lots of helicoptering while staying at a mix of top lodges, wilderness lodges and exotic basic camps.
My favourite place in the world:
Stopping the jetboat on the banks of a South Island river and doing a little hunting/fishing/gathering before preparing and cooking whatever we collect. Washed down with a refreshing New Zealand Sauvignon Blanc.