Visit Meteora

Rhyolite mountains streaked orange, green and pink, with a natural hot river to soak in after the walk — the start of the Laugavegur trail.

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.

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

Climb Greece's highest mountain (2,917m) and mythological home of the Greek gods

Sanctuary of Apollo on the slopes of Mount Parnassus — home of the ancient oracle.

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

Greek Orthodox monastery clinging to a sheer cliff face in the Pontic Mountains.