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

Hawai'i's oldest wooden house was shipped around Cape Horn from Boston in 1820.

Once the site of the Hawaiian monarchy, this building was originally designed as a palace.

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

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

This blowhole is supposedly caused by a trapped monster.

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

An ivy-covered arch bridge dedicated to Tejano music singer and legend Rosita Fernandez.

A hand-built folk art installation covered with messages of God's love.

An off-grid art installation that encourages its visitors to imagine a world without waste.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

A Hawaiian stairway to heaven—that you can't climb.

Lumps of significant stone from around the world surround a flaming monument for peace.

The face of a woman pushes its way through the earth.

Half-sized replica of the Leaning Tower of Pisa built to honor Galileo.

Craggy concrete faces are hidden in the walls of this artificial cave along the San Antonio River.