From the verdant ecosystems of Canada’s west coast, to the craggy sandstone of the American southwest, to the lush jungles and cloud-scraping alpine of South America, to the raw vastness of the Australian coastline, to the time-worn walking paths of Europe, to the snowy peaks of the Himalayas and into vibrant and diverse Africa, we searched for trails. Some are long; some are short. Some are difficult, some are (relatively) easy. Starting in North America—and weighted heavily to our home continent here are our picks .