A few dilapidated structures are all that remain of this deserted former silver mining town.

Natural rock water slides hidden in the remote forests of northern Idaho.

See just what life was like in a 19th-century prospecting town.

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

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

A Hawaiian stairway to heaven—that you can't climb.

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

The grand marquee of this abandoned Hawaiian theater remembers the building's elegant past.

A unique set of caves that spits waves back out into the ocean.

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

A true treehouse near Hawai'i Volcanoes National Park.

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

A once-glowing grotto at the bottom of Waikapalae Wet Cave.

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

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

Hide from the tourist hordes in these relatively unknown, and unguarded lava caves.

The island of Lanai in Hawai'i is a paradise for cats and cat lovers.

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

This black shoreline is made up of exploded lava particles.

Abandoned Air Force base that has fallen into disrepair.

The one-time watch house for incoming ships at the Golden Gate now stands abandoned and hidden in trees.

Once the largest winery in the world, this castle-like building now sits abandoned on the San Pablo/San Francisco Bay shore.

A strange house built only at night, with rumored mystic inspiration.

Not truly a ship nor a building, the Navy's first and last "landship" is now abandoned due to clerical issues.