A raised boardwalk winds through a thicket of stunted, century-old trees no more than nine feet tall.

The mysterious round rocks of Schooner Gulch.

The world's largest aggregation of great white sharks is at a mysterious spot in the middle of the ocean.

This airstrip atoll is uninhabited by humans, but absolutely full of birds.

A Japanese pilot crash-landed on this Hawaiian island after the Pearl Harbor attack and terrorized locals for a week.

This narrow coastline trail through the dense Kauai wilderness is among the most beautiful and dangerous in the world.

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

Submerged lava formations create incredible waterworks.

This former luxury resort in Kaua'i is now an abandoned relic.

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

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

Once home to over 8,000 exiled Hawaiians suffering from Hansen's Disease.

This tiny Hawaiian island is slowly coming back to life after being bombed during naval training exercises.

Formerly a lovely white sand beach this Hawaiian stretch is now a trap for countless tons of trash.

A cooled lava flow from the Haleakalā volcano formed these surreal-looking columnar basalt structures.

Ten acres of the Kula Forest Reserve make up this wonderous state park.

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

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

Get up close and personal with these majestic fish.

Football field-sized microalgae production tanks on the Hawaiian coast create a stunning view from space.

The spot where the namesake of the Douglas fir met his mysterious end on a Hawaiian volcano.

A true treehouse near Hawai'i Volcanoes National Park.