In the middle of a busy airport, a statue honoring the astronaut who told Houston that Apollo 13 had a problem.

This saltwater swimming pool, which is the last of its kind in the United States, is slowly crumbling within sight of multiple high-end beachside hotels.

This monument built by Japanese American immigrants spent decades underground.

Now a pedestrian bridge, this was once part of a narrow-gauge railroad that ran along the east coast of Kauai.

A burial ground for workers at one of Hawai'i's largest sugarcane producers that laid buried for decades.

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

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

A unique collection of Western and Japanese-style graves.

A local pineapple cannery once dumped pineapple trimmings off of this pier, with sometimes smelly results.

A 1940's shrine dedicated to drowned fishermen on the outskirts of Honolulu.

On Waikīkī Beach, a monument to four extraordinary individuals of dual male and female spirits who brought the healing arts from Tahiti to Hawai'i.

Ten acres of the Kula Forest Reserve make up this wondrous state park.

Hiding in plane sight.

This airstrip atoll is uninhabited by humans, but absolutely full of birds.

Images chiseled into the basalt here date back an estimated 300 years.

Inside, visitors are treated to the rich history of sugar farming and its impact on Hawaiian society.

Formerly a lovely white sand beach this Hawaiian stretch is now a trap for countless tons of trash.

Football field-sized microalgae production tanks on the Hawaiian coast create a stunning view from space.

An ode to one of the first concerts broadcast via satellite.

This tiny Hawaiian island is slowly coming back to life after being bombed during naval training exercises.

This Hawaiian cattle ranch acts as a museum devoted to the island cowboys that predate the wild west.

The spot where the namesake of the Douglas fir met his mysterious end on a Hawaiian volcano.

This World War II-era bunker is now packed with posters and props from movies and TV shows filmed nearby.

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