Unless you've rented a 4x4, the only way to explore the Aruban outback is by organized tour--so commit to the idea of spending the day in a yellow-and-black zebra-striped Land Rover. Sure, you'll look like a tourist, but it's worth it.
The tour departs from the capital city of Oranjestad and is narrated by a guide who you'll follow in another truck just ahead. Enjoy the first bit, as it's virtually the only part of the drive where you'll be on paved road. (Locals lovingly call these shake and bake tours because of the bumpy off-road conditions and the heat from the sun; the trips are not to be confused with the wake and bake tours popular in other Dutch cities.)
Highlights include the California Lighthouse, the ruins of an 1824 gold mine in Bushiribana and imposing volcanic formations along the coast. Bring your camera: Lining the shoreline are endless stacks of "wishing rocks" said to bring good luck and promote fertility. Build one yourself and see what happens. De Palm Tours runs half- and full-day Jeep Safari tours starting at $75 per person.