A coral formation off the Whitsunday Islands in Australia’s Great Barrier Reef, beloved Heart Reef protruded naturally from the water’s surface in the shape ... years. Slot canyons are rife ...

The earth breaks open. Water trickles into the fissure. Millions of years pass. A slot canyon is born. Narrow, deep and at times teeming with danger, slot canyons beg for exploration. Valhalla ...

However, if you visit when it’s open ... tightest slot canyon in Utah. Coined the Little Narrows or The Red Crack by locals, this tight crevice is not for the faint of heart, the claustrophobic ...

A network of the Southwest’s most dedicated slot canyoneers knew next to nothing about the remote half-mile ravine connecting Clear Creek Canyon to the lake at what’s known as the Cathedral in ...

sun-baked canvas — wide open and endless. But tucked deep within its sandstone folds are narrow slivers of magic: slot canyons, sculpted over millennia by wind and rushing water. They draw ...

There are thousands of colorful sandstone slot canyons in ... primarily shaped by water and wind and made up of Navajo sandstone. The Antelope Canyon drainage eventually empties into Lake Powell.