Ruins of a German Castle on top of a towering stone pillar.

The birthplace of an eccentric alchemist and possible inspiration for the fictional reanimator of monsters.

An eerie, derelict amusement park in Berlin.

This ancient Hawaiian henge may have been an early star chart.

Formerly a lovely white sand beach this Hawaiian stretch is now a trap for countless tons of trash.

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

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.

A true treehouse near Hawai'i Volcanoes National Park.

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

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

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.

Submerged lava formations create incredible waterworks.

A controversial memorial at the place where Captain Cook met his violent end.

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

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

This Hawaiian cattle ranch acts as a museum devoted to the island cowboys that predate the wild west.

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

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

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

During the solar phenomenon "Lahaina Noon" this bendy, curvy sculpture forms a perfectly circular shadow on the ground.