High plateaus and beautiful waterfalls frame this ecologically significant nature preserve.

Site full of incredible prehistoric paintings and archeological findings.

These termites have an large and deadly abode—impressive by day, dazzling by night.

After millennia of erosion by sand and churning water this Brazilian valley now looks like a lunar fantasy.

Thousands of fossilized footprints speckle this Bolivian national park.

Largest site of dinosaur footprints ever found includes more than 5,000 tracks.

Bolivia's needle-like rock formations.

A seemingly endless landscape of pure salt stretches far across Bolivia.

Mysterious and ancient carved standing stones.

A brightly colored natural bridge formed by mineral-rich hot springs high up in the Andes.

Massive rock sculptures formed during the time of the dinosaurs still stand undisturbed.

Stenciled handprints and wall paintings dating back 10,000 years, some of the earliest forms of cave art.

Plains of ash and pair of semi-active volcanoes contribute to the otherworldly beauty of this little-known Vanuatu island.

This South Pacific volcano has been blowing its stack for over 800 years and is said to be home to a cult leader waiting to be reborn.

A site of natural wonder and flying coconuts in Samoa.

The world is full of swimming holes, but few compare to Samoa’s idyllic To Sua ocean trench.

Two World War II aircraft lie within the jungle around this abandoned runway.

Highly spherical boulders on the shores of New Zealand.

The explorer Captain Cook may have named it White Island, but the Maori call it Te Puia o Whakaari – The Dramatic Volcano.

This unusual rock formation looks like an apple that has been neatly sliced in half.

These phallic stone spires once served as Tolkien's Paths of the Dead.

The ruins of an ancient island city built atop a coral reef in the South Pacific are spectacular and strange enough to have inspired H.P. Lovecraft.

The Gunditjmara Aboriginal people of Australia began construction on this vast aquacultural complex 6,600 years ago.

Many rock climbers have come to conquer this slender sea stack, with various degrees of success.