The US Army trains soldiers for jungle warfare at the 25th Infantry Division's Lightning Academy on the island of Oahu in Hawaii. Insider's chief video correspondent Graham Flanagan spent 12 days ...

Those wanting a guided tour can book through Hawaii Tours, Get Your Guide, or Viator. Tours range from $100-$150 per person, and include a guide and kayak rentals. Hikers seeking a self-guided ...

Did they descend from red jungle fowl that Polynesians brought to Hawaii some 1,000 years ago or from farmed birds that flew the coop more recently? According to genetic tests, a mix of both ...