Yes, Auckland city streets were a challenge, walking or driving. Driving on the left wasn't so bad if you could remember two things: the turn signal/headlight and windshield wiper controls were reversed, and the right hand turns crossed a lane of traffic (and were thus more difficult). But even without the challenge of driving on the left, driving in Auckland would have been demanding. The streets were often cramped or lanes disappeared in front of you, or buses would dart out or stop unexpectedly. Lucky for us, getting to the freeway (known as the "motorway" in New Zealand) was explained very well by the guy at the car rental place. In hindsight, I wish we would have also gotten instructions on how to get off the motorway at the end of the day.
Seven hours of driving. Yes, that's how much we'll do today. And that's how much we'll do tomorrow, too. (Today = South. Tomorrow = North. Both nights spent in Auckland.)
I later shared with Ma a popular YouTube video featuring a guy who becomes overwrought while witnessing a rainbow. There may be some substance abuse involved. Or self-abuse. It's difficult to tell.
The Waitomo Caves have been a tourist attraction for over 100 years. Yep, 100 years. Why so special? They're not just dramatic empty caves. They're covered with a species of fungus gnat known more romantically as a "glowworm".
The glowworm is actually the larval stage of a flying insect. They are born with organs that produce a sticky wick (much like the thread of a spider web) that hangs down. To attract their prey (other flying insects), they glow with a soft blue light. The prey gets stuck on the wick, and then the worm eats it. Yum.
Interestingly, the mature flying adults do not have a mouth. Their sole purpose is to breed and then die of starvation. Nice, huh?

They asked us to please refrain from making noise or shining any lights. This would cause the glowworms to dim their bodies and spoil the show.
In addition to the glowworm tour, you could also go tubing, spelunking (squeezing/crawling/inching through caves), or abseiling (like rock-climbing, but going down instead of up). It was a thrill-seekers' paradise.
OK, enough worms. Time to see some mud!