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 blowhole is supposedly caused by a trapped monster.

This legendary urban waterfall creates a dazzling display of rainbows.

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

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.

This black shoreline is made up of exploded lava particles.

Considered by many to be one of the most dangerous highways in Alaska.

During the summer, surfers in Alaska take advantage of this inlet’s unusual water patterns.

The king of U.S. high points towers over every other peak on the continent.