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

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

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

The air force base preserves its scars from the Japanese attack on Pearl Harbor.

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

This WWII plane died a quiet death, and is now a garden eel playground.

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

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

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

Every equinox this Maya pyramid puts on a spooky ancient light show.

These azure waters were thought to lead to the Mayan Underworld.

If you can look past the nearby sewer pipes, this urban sinkhole grotto is a mini-paradise.

A flooded Mexican cave that hides a river beneath the water.

An ancient system of freshwater caves filled with animal bones, including that of species long-extinct.

Underwater art project will double as a massive artificial coral reef to help regenerate the damaged ecosystem.

Art from the latest counter-culture; kids who dye their hair blue and believe the future will be a post-apocalyptic water world.

Chevron maintains one “Standard” brand station per state so it doesn’t lose the trademark.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

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

A 300-ship graveyard, with a few still visible at low tide.

A winding path built in secret on the edge of the continent.

Big gun installations, built over a massive cemetery, now abandoned & hidden in trees.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

Art in the form of a winding, man made crack in stone.