A controversial memorial at the place where Captain Cook met his violent end.

More than 2,000 species of tropical plants call this nature preserve and sanctuary home.

A model of a galactic embassy is hidden in plain sight along the highway, proposed by a UFO religion to find the aliens that created life on Earth.

Try your hand at old-fashioned coffee growing at this museum devoted to one of the world's most coveted beans.

This unusual lava tube spouts seawater during high surf.

Submerged lava formations create incredible waterworks.

This legendary urban waterfall creates a dazzling display of rainbows.

A beach made of semi-precious green sand on the Big Island of Hawai'i.

Hide from the tourist hordes in these relatively unknown, and unguarded lava caves.

These picturesque Hawaiian falls are home to a rare species of fish that uses a special sucker to climb up cliffs.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

A tunnel of hardened lava along Maui’s famous Road to Hana.

This black shoreline is made up of exploded lava particles.