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

During the solar phenomenon "Lahaina Noon" this bendy, curvy sculpture forms a perfectly circular shadow on the ground.

This ancient Hawaiian henge may have been an early star chart.

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

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

A model of a galactic embassy is hidden in plain sight along the highway, proposed by a UFO religion to find the aliens that created life on Earth.

This unusual lava tube spouts seawater during high surf.

Try your hand at old-fashioned coffee growing at this museum devoted to one of the world's most coveted beans.

A controversial memorial at the place where Captain Cook met his violent end.

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

The southernmost point in the United States is a beautiful place to look at but a deadly place to wade in.

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

An authentic replica of an Asian temple and garden hidden amongst the natural beauty of Hawai'i.

Submerged lava formations create incredible waterworks.

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.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

A true treehouse near Hawai'i Volcanoes National Park.

These ancient sacred grounds granted amnesty to those who managed to reach them.

This museum of Hawaiian and Polynesian culture is the legacy of the last descendant of the Kamehameha Dynasty.

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

Doris Duke's lasting collection of Islamic Art, hidden in a Hawaiian paradise.

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