PHOENIX — A carpet of Mexican gold poppies and blue-hued lupines bloomed Monday at Picacho Peak State Park, trumpeting the start of Arizona's spring wildflower season.

An autopsy for a 16-year-old Boy Scout who collapsed on a troop hiking trip in the Southern Arizona desert has shown the teen died from dehydration and hyperthermia, or overheating.

Boreas Pass Road in Breckenridge, Colorado thrills trekkers with vibrant summer wildflower blooms and stunning scenery.