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

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

This legendary urban waterfall creates a dazzling display of rainbows.

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.

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

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.

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.

This mysterious and creepy location instills a strong sense of foreboding in all visitors.

Abandoned landscape once home to "the world's largest winery."

This rock formation named for its unique shape is one of many that call the Alabama Hills home.

An abandoned 1930s gas station turned bustling neighborhood park.

This stately structure has been abandoned for half a century.

An abandoned convention space that has been left to the homeless and the radical.

Each winter this underground cave forms a dazzling ice palace.

This little valley along Highway 1 is engulfed by thousands of lilies during the spring season.

A natural dome made of volcanic glass in Inyo National Forest.

A mountain range on an active U.S. Navy base hides thousands of mysterious prehistoric rock carvings.

Colorful Native American paintings are hidden within this small cavern.

This graffiti-covered bridge is the quintessential vision of a place for disillusioned youth to escape the complexities of burgeoning adulthood.

Since World War II people have been decorating this stretch of the Yuma desert with signatures arranged out of rocks.

One of the most elaborate displays of Jellyfish is on display at the aquarium.