Image: Lucas Löffler
Slot canyons are fantastically narrow gorges that are much deeper than they are wide. Formed by water rushing through sandstone and limestone (although some are also shaped in granite and basalt) they can be less than three feet across yet well over 100 feet deep! Hidden away, and with walls that remind one of abstract art, they are like sanctums provided by nature, but they can also be dangerous – even deadly. Notwithstanding, we’ve brought together some of the most interesting and beautiful ones we could find.