Chile opens spectacular 1,700-mile trail, connecting 17 national parks
October 5, 2018, 9:12 a.m. by Noel Kirkpatrick
The Route of Parks allows hikers to explore Chilean Patagonia's stunning landscapes.
'Tower of Voices' honors the Sept. 11 bravery of Flight 93
September 11, 2018, 11:45 a.m. by Noel Kirkpatrick
The passengers and crew of United Airlines Flight 93 were honored at the national memorial site with 'Tower of Voices.'
The air quality in some national parks isn't any better than in major cities
July 25, 2018, 9:23 a.m. by Matt Hickman
Sequoia National Park has more smoggy days than L.A.