Plan Ahead: For the best chances at spotting a rainbow, visit in the morning. Rainbow Falls doesn't require ... Wailuku River State Park website. Big Island Manta Ray Night Snorkel (4885 reviews) ...

There are two active volcanoes in Hawai'i Volcanoes National Park: Mauna Loa and Kilauea. Kilauea is the real "must-see" of the two volcanoes. A 4,000-foot-tall mountain, Kilauea has been active ...

Hawaii’s regular sunshine ... Maui and the Big Island might be particularly affected, he said. The singular experience of ...

Hawaii's regular sunshine ... Maui and the Big Island might be particularly affected, he said. The singular experience of glimpsing a rainbow makes them worth studying, he said.