America. Trump-land, mass shootings, Muslim bans and nuclear buttons of unrivalled size. But the US is also an endless wonderland for the dirtbag climber. And there are a lot of us - roaming, jobless rockchasers that scramble around on Yosemite granite in the spring, head to the windswept, alpine faces of the high country for the summer, emerge in the autumn for the sandstone deserts of Utah, and then scamper south to Red Rock canyon for the winter. This rock correspondent has spent most of the past three years sampling North American rock and ice. Adventure Magazine takes you on a tour of two of its most iconic rock destinations.