Cherry and apple orchards line whispering mountain creeks, which suddenly burst into waterfalls on exposed rock faces.

BBC: Morocco��s best for walking: High Atlas Mountains

The toughest mountain on the list, the fang-like 1, 224m-high Federation Peak in Southwest National Park, requires the blind courage (but not the equipment) of a mountaineer, with the summit reached on an exposed near-vertical rock climb.

BBC: Tasmania's greatest mountain quest

Rock climbers revere it for its long, exposed climbs, and for walkers it is the most magnetic destination in the Picos thanks to its dominating bulk.

BBC: Spain��s mountains made of cheese

This is how ridiculous it gets: Our tester had skid plates for the front differential and transfer case which would protect these components in severe, rock-crawling conditions and perilously exposed chrome wheel-to-wheel step bars.

WSJ: 2013 Ram Laramie Longhorn Review: A Truck That Jingle Jangle Jingles

Most rock being mined has abundant iron sulfide minerals which oxidize when exposed to air and water.

FORBES: Fracking With Bad Water

The exposed cliffs and slopes, devoid of plant life, clearly show the layers of rock and soil that have made this region such a geological playground.

BBC: Utah��s astonishing wild side