Naked angel sitting on a cliff

Spend a night at the bottom of the Grand Canyon surrounded by 2 billion year old granite and Vishnu schist! Campsites either sit at the base of towering cliff walls or line the creek. Cottonwood trees shade the campground and create a lush oasis. This sought-after campground fills up quickly, so plan ahead and get your permit early. A few walk-in permits are available daily at the backcountry permit office.

By Chris Summers For Mailonline. Mountaineer Austin Howell believes in using the bare minimum when he climbs a cliff face The year-old tackled Shortoff Mountain in Linville Gorge, North Carolina, wearing just a hat as his friend filmed the astonishing climb. Howell, a personal trainer from Atlanta, Georgia, climbed ft up what is known as the Dopey Duck route without a stitch on. If Austin Howell's friend, Lohan Lizin, had not been there to film the climb nobody would have believed he had done it. Austin Howell often climbs mountains without a harness but this was the first time he had done it without any clothes on.

And yet, some have. How did all of this happen? And yet, we have to affirm that angels have free will.

From ice-cold rock pools to secluded riverbanks, six authors reveal their favourite spots in the UK to dive in and find inspiration. Sat 10 Aug I love our river.