Telluride, Monument Valley, Canyonlands, Durango+Silverton, Arches, Chaco Canyon, Bisti Badlands, and tons of smaller sites (Aztec, Salmon). I grew up in the a

Telluride, Monument Valley, Canyonlands, Durango+Silverton, Arches, Chaco Canyon, Bisti Badlands, and tons of smaller sites (Aztec, Salmon). I grew up in the area. You can't really (reasonably) fly within 3 hours, but between the 34th and 39th parallels, Nevada to Kansas, is wonderful, vast, and beautiful.