The only remnant of a small mining town is an abandoned railroad tunnel that is steeped in ghostly lore.

An unoccupied lighthouse encased in layers of ice from the waters of Lake Erie.

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

What remains of the summer palace of King Kamehameha III.

In 2018, Pohoiki Road was severed by lava flowing from the eruption of Kilauea.

This ruined fort and statue are a testament to the last king of Kaua‘i’s savvy diplomacy skills, which briefly brought Russians to Hawai‘i.

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

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

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

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

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.

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

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.

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

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

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.

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

Submerged lava formations create incredible waterworks.

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

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

This legendary urban waterfall creates a dazzling display of rainbows.