Hike Landmannalaugar

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

Mineral springs that have petrified into white waterfalls of stone above the Oaxaca valleys, with cliff-edge pools you can swim in.

Rift-valley site of the world’s oldest parliament, where the tectonic plates pull apart.

Turquoise alpine lake at 3,560 m, the classic Karakol trek.

Turquoise lakes among sharp peaks.

Monasteries atop soaring rock pillars.

Climb 740 steps up the El Penol monolith for views over a maze of turquoise reservoir lakes.

Lonely 14th-century church beneath Mount Kazbek — Georgia’s most photographed view.