This post below was originally published on Project Domestication on June 15, 2016 by Becky Olsen.   The Mustangs of Las Colinas by The Wonders of Back Roads via Trover.com Make some late summer or early trip plans to explore Amarillo, McAllen or Irving, Texas or skip over the ocean to Puerto Rico for an adventurous time in Fajardo. Amarillo, TexasStart planning the perfect fall trip to Amarillo. This time of year brings much more mild temperatures in the Panhandle town. Driving on Route 66, horseback riding, and visiting the Texas Air and Space Museum are just a few activities...