The quiver tree is not really a tree at all but a giant aloe, Aloidendron dichotomum, and it grows like nothing else on the plain. A smooth, pale trunk rises and then splits, again and again, each fork dividing into two, until the crown spreads into a dense thicket of stubby, finger-like branches tipped with rosettes of blue-green leaves. People often say the tree looks upside down, as though its roots were waving in the air. The bark peels in papery golden flakes that catch the low sun. The tallest specimens in this forest are two to three centuries old, slow-grown survivors of a climate that gives them almost nothing, and at dusk their silhouettes against a burning sky have made this one of the most photographed places in Namibia.

A tree this peculiar attracts stories. Local folklore holds that the quiver tree brings good fortune to anyone who tends and honors it. Another tale grew up after diamonds were discovered in Namibia: that beneath any quiver tree, if you dug it up, you would find diamonds in the ground where it had grown. But the trees, people say, are blessed, and so no one is willing to dig one up to test the claim. It is a small, telling piece of desert wisdom. The reverence and the greed cancel each other out, and the trees are left standing, which is perhaps the point of the story all along.

For most of the year the forest is a study in austerity, but in the depth of the Southern Hemisphere winter it comes alive. Bright yellow flowers open across the crowns from June into July, and the desert answers. Insects, birds, and mammals arrive for the sudden flood of nectar, turning the quiet grove briefly busy. Among the boulders at the trees' feet live rock hyraxes, the small, guinea-pig-like creatures whose closest living relative, improbably, is the elephant. The forest was recognized as a national monument of Namibia in 1995, an acknowledgment that this was not merely a curiosity but an ecosystem and a piece of the country's natural heritage worth protecting.

Right beside the forest lies a landscape that looks deliberately built and is entirely natural. The Giant's Playground is a vast jumble of dolerite boulders, dark volcanic rock stacked and balanced into towers and corridors as though some enormous child had piled them up and wandered off. The blocks formed underground from cooling magma and were slowly exposed and weathered into these precarious shapes over ages. Walking among them, with the quiver trees standing sentinel nearby, you feel the strange theatricality of this corner of the Karas desert. True natural quiver tree forests are rare; another grows far to the south at Gannabos in South Africa's Northern Cape. But few places combine the trees and the stones quite like this stretch of the Gariganus farm, where the old aloes and the giant's scattered rocks share the same hard, beautiful ground.