Recently we took a big road trip to the American southwest and saw many of the best slot canyons in Utah, and then we compiled this guide! The slot canyons are natural rocky passages with all the different colors of red, yellow, pink and purple, and some of them are so narrow and cumbersome that you have to walk or crawl on your side, like an mature playground. This is a fun and unique hiking challenge. There are a number of awesome slot canyons scattered throughout the southern half of the state of Utah, and you can even see some…