Visit the Yangykala Canyon

Africa’s largest canyon, 160 km long and 550 m deep, with a five-day hike along its floor.

Slot canyon on Navajo land near Page, Arizona, carved into swirling sandstone by flash floods.

Wind-carved kalut ridges in one of the hottest places ever measured on Earth.

Surreal salt pans stretching to the horizon.

Wind-carved chalk mushrooms and icebergs of rock glowing at sunset — camp overnight under the Sahara stars.

Sheer desert escarpment near Riyadh.

Jordan’s largest reserve drops 1,600 m from highland village to desert, with ibex, Bedouin camps and the Feynan eco-lodge.

Climb the vast flat-topped tepui.