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

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

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

A series of waterfalls and pools that flow through the 'Ohe'o Gulch and into the ocean.

What remains of the summer palace of King Kamehameha III.

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

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

A tunnel of hardened lava along Maui’s famous Road to Hana.

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

This black shoreline is made up of exploded lava particles.

This pop-culture shop also offers the chance to become part of their favorite tv show or movie.

It was once used as a classroom to teach mining skills to local high school students.

This historic Idaho island is home to a strange timeshare museum, a homemade mini-golf course, and an outhouse named Aunt Fanny.

The largest outdoor art gallery in the Northwest United States.

Supposedly Satanic numbers adorn this preserved submarine sail.

These century-old beehive-shaped kilns were built to produce charcoal for nearby mines.

The world's first nuclear power plant is open to visitors looking to role-play a meltdown.

A black cottonwood gets a second life as a home for books.

A small section of Boise, Idaho maintains the unique culture and traditions of the Basque people.

When in Idaho, sleep in a giant potato.

Jail from the 19th century that was built by inmates.

A mining town, now abandoned, was built in a canyon so narrow that the railroad ran right through the hotel lobby.

Despite his legacy of work in Spain, Cuba, and Florida, the larger-than-life writer's grave is a simple affair tucked in an Idaho cemetery.

A legal loophole makes it possible to get away with murder within this 50-square-mile section of Yellowstone.