18 / 27
This is the dramatic moment lightning strikes the Grand Canyon. Photographer Rolf Maeder had been on his way to snap the sunset in Arizona, America, but noticed thunderclouds rolling in above him. Before his eyes a lightning storm attacked the ancient rock of the Grand Canyon, allowing him to snap this unforgettable picture. (Rolf Maeder/Rex Features)

The most spectacular pictures of 2013

From heavenly skies to the Door To Hell', this year has provided a host of amazing pictures. Here's a selection of the best we've seen in 2013.