A once grand hotel is being retaken by the wilderness it once capitalized on.

Watch the newest land on the planet form before your eyes.

A beach made of semi-precious green sand on the Big Island of Hawai'i.

These picturesque Hawaiian falls are home to a rare species of fish that uses a special sucker to climb up cliffs.

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

This legendary urban waterfall creates a dazzling display of rainbows.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

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

The first partially complete dinosaur skeleton was discovered here, forever changing the world's view of the ruling reptiles.

A "Bugseum" dedicated to all things insect-related resides behind a pest control company.

The remains of a century-old mansion that met a fiery demise years after it was deserted.

Step inside Lucy, the world's largest "elephant."

A recently abandoned psych ward at the end of Sanatorium Road.

Once in a state of dilapidation, this candy-inspired fortress is now being revived.

The site of one of history's most indelible and horrific tragedies.

A storefront museum in Asbury Park honoring the Jersey Shore’s deep history of mystery—including the Jersey Devil.

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

This little-known collection holds everything from "Dracula" notes, to the manuscript of "Ulysses," to the forged works of Shakespeare.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

Gutted airplanes slowly decay in a Florida field.

Human skulls and a stuffed goat made into a rocking chair can be found at this strange little store.

A peaceful, unique botanical garden complete with waterfalls, mini islands, and swans.

The ruins of a Florida miracle spring resort make it seem like a wonder that this was ever a health spa.

Strange beasts lurking in a garden are all that remain of a quirky, short-lived theme park.