5 14 Visit a historic fort where pioneers and American Indians traded, and regiments were posted. FOUND ALONG: Frontier Pathways, Los Caminos Antiguos, Santa Fe Trail, South Platte River Trail 15 Cross the Continental Divide, where water courses starting on the eastern side eventually reach the Gulf of Mexico, and water courses beginning on the western side flow toward the Pacific Ocean. FOUND ALONG: Silver Thread, Top of the Rockies, Tracks Across Borders, Trail Ridge Road 16 Travel over or near the sky-touching peaks of mountains measuring more than 14,000 feet — aptly named “fourteeners.” FOUND ALONG: Alpine Loop, Collegiate Peaks, Guanella Pass, Los Caminos Antiguos, Mount Blue Sky, Peak to Peak, San Juan Skyway, Top of the Rockies, Trail Ridge Road 17 See the fossils and footprints of dinosaurs. FOUND ALONG: Dinosaur Diamond, Gold Belt Tour, Lariat Loop, Santa Fe Trail, Unaweep Tabeguache