This defunct, fortress-like prison has been the setting for several movies.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

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

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

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.

What remains of the summer palace of King Kamehameha III.

Race through the maze, get your name on the sign.

Ironically this massive termite is the mascot for a company that is acclaimed for killing his kind.

Journey inside the bowels of this sperm whale sculpture.

This roadside wonder is as mysterious as it is beloved.

This once sprawling resort now sits abandoned, filled with graffiti and vibrant colors from an era long passed.

This Central New York ghost town was once a prosperous railroad community.

Black cat statues guard this temple-like Egyptian revival factory.

A castle inspired by medieval architecture is hidden in the woods of Connecticut.

The once abandoned ruins of a Victorian beachside amusement park are now back in working order.

This abandoned Poconos resort is haunted by a history of kitschy romance and a violent fugitive.

An abandoned castle owned and ignored by Masons carries a cursed history.

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

This black shoreline is made up of exploded lava particles.

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

This unusual lava tube spouts seawater during high surf.

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

World's first "penitentiary," meant to be humane, drove men insane.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.