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

This legendary urban waterfall creates a dazzling display of rainbows.

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

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

From Japan to Italy, this California park explores the world's cultures through their gardens.

An antique store houses the last operational diner from the defunct department store chain.

Hidden in the back of a disused small town hotel is a dive bar shellacked with over a million pennies.

Where a railroad loops under or over itself to rise or drop more than 70 feet in a short distance.

This shrine to the patron saint of Alaska sits on a small tidal island and was built from the land’s own beach stones.

Often mistaken for an office building, inside this venue is an amazing collection of Native Alaskan art.

One toy collector's legacy of hundreds of unique items includes the most diverse display of northern indigenous dolls.

On top of a sheet metal business in Juneau stand nearly a dozen charming Wizard of Oz statues.

The ruins of this Alaska gold mine form a gorgeous ghost town.

A rare chance to get up close and personal with a 13-mile ribbon of ice near downtown Juneau.

Upside-down trees serve as natural flower pots in this hanging garden of Alaska.

Breathtakingly blue walls shimmer inside the "Glacier Behind the Town."

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

A hand-built folk art installation covered with messages of God's love.

Huge otherworldly domed rocks on the shore of a deadly lake.

The ghostly remains of an accidental sea.

A Wild West jailhouse that slid down the mountainside.

A unique geological area spiked with wind-carved rocks that resemble teepees.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

Rippling sand dunes frozen in the Arizona rock.