This legendary urban waterfall creates a dazzling display of rainbows.

Climbing this abandoned railway leads to breathtaking vistas of O‘ahu.

This WWII plane died a quiet death, and is now a garden eel playground.

This blowhole is supposedly caused by a trapped monster.

Submerged lava formations create incredible waterworks.

A true treehouse near Hawai'i Volcanoes National Park.

This industrial area was the dumping ground for massive amounts of trash, some of which washes up as tiny bits of sea glass.

A once-glowing grotto at the bottom of Waikapalae Wet Cave.

A prehistoric landscape hidden in the cliffs of Maha'ulepu.

A series of waterfalls and pools that flow through the 'Ohe'o Gulch and into the ocean.

Watch the newest land on the planet form before your eyes.

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

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

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

This black shoreline is made up of exploded lava particles.