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

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

This legendary urban waterfall creates a dazzling display of rainbows.

In 2018, Pohoiki Road was severed by lava flowing from the eruption of Kilauea.

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

This black shoreline is made up of exploded lava particles.

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

This unusual lava tube spouts seawater during high surf.

This mom-and-pop Japanese sweets shop has been serving cloud-light mochi for almost a century.

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

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

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

Crushed coral and crystals give the sand its signature coloration.

Eastern Canada's ocean playground.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

The portrait of a man from Japan who sent weekly letters to a Dutch hotel he never visited.

A school teacher's massive and terrifying self-built castle.

Perched on a spindly rock spire in a Greek archipelago, this lighthouse would make a perfect wizard's tower.

A quirky bookstore hidden beneath a sea of whitewashed Greek villas.

A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

Several plaster noses are hidden in plain sight around London's Soho neighborhood.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

A collection of oddities including Dr. Kevorkian's suicide device, the Thanatron.