"Minis" have also sprung up, including Iowa's "Little Grand Canyon," in the Midwest's most underrated hiking spot you've probably never heard of, and New ... hubs of Santa Fe and Albuquerque.

New Mexico's High Road to Taos is probably one of the country's most iconic. The road lies near the start of the Old Spanish Trail, the 2,700-mile mule trail traders took from Santa Fe to Los ...