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

This coastal cavern is associated with the Hawaiian god of creation.

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

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

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

A unique set of caves that spits waves back out into the ocean.

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

Submerged lava formations create incredible waterworks.

This legendary urban waterfall creates a dazzling display of rainbows.

Race through the maze, get your name on the sign.

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

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

The island of Lanai in Hawai'i is a paradise for cats and cat lovers.

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

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.

This black shoreline is made up of exploded lava particles.

This mysterious twin turboprop Grumman G-159 covered in graffiti has spent a decade and a half abandoned.

The beauty of urban decay, hiding some dark secrets.

A neighborhood grocery store established a local civil rights leader.

An abandoned putt putt golf course nestled hidden next to one of the local water towers and a local veterinarian.

The ruins of an open-air theater built on this Georgia island in the 1970s.

An oddity shop filled with taxidermy, funerary memorabilia, and more.