An ode to one of the first concerts broadcast via satellite.

What remains of the summer palace of King Kamehameha III.

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

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

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

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

A 1940's shrine dedicated to drowned fishermen on the outskirts of Honolulu.

An authentic replica of an Asian temple and garden hidden amongst the natural beauty of Hawai'i.

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

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

Now a living classroom, this house was once the home of Reverend James Clinton Dent, a formerly enslaved man and a pastor.

A poem by Arthur Rimbaud is inscribed on the wall of a street that, while it is only one block long, plays a key role in multiple novels.

The world's longest and deepest train tunnel.

Walk inside a half mile long crevice right outside the town of Garmisch Partenkirchen.

This 18th-century folly is one of Europe's rare "garden mosques."

This inconspicuous pharmacy went down in history as the first gas station in the world after fueling the first road trip ever taken.

The entire length of the border is marked by a 20-foot-wide slash through the trees.

The world's largest fully steerable radio telescope.

This rural community has attracted both scientists and techno-refugees due to its federally-mandated lack of technology.

This hotel was used during the Manhattan Project to house official visitors.

John Hendrix predicted the creation of the "Secret City" built as part of the Manhattan Project.

One of the Cemestos prefab homes built to secretly house thousands of Manhattan Project workers.

The secret city built by the Manhattan Project.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.