The world's only pure blue lizard lives exclusively on this secluded tropical island.

This tiny shop has been serving traditional tamales for more than 200 years.

An ancient city hidden in the heart of the Sierra Nevada mountains.

A cozy bookstore and coffee shop in the heart of Cartagena's Old City.

Colorful lights and mirror-like brine pools create trippy illusions within the historic mine.

The caldera of this mini-volcano has been turned into a naturally heated mud bath.

Enchanting cave with a river crashing through the roof.

The Andean town where every single building is decorated with a brightly colored frieze.

An explosion of natural color known as "the river that ran away from paradise."

An abandoned logging settlement nestled in the woods near a popular ski town.

A Canadian port town is oddly home to two of the largest tree burls in the world.

Saved by a logger, this Douglas fir is one of the last great old-growth trees in Canada.

At least 14 twice-retired ships were sunk to make a lovely rusting breakwater in Comox Harbour.

This vast, pristine wilderness is home to a rare subspecies of black bear.

Locals transformed this Canadian evergreen into a secret hangout with spectacular views of Vancouver's skyline.

Try your hand at old-fashioned coffee growing at this museum devoted to one of the world's most coveted beans.

This narrow coastline trail through the dense Kauai wilderness is among the most beautiful and dangerous in the world.

Submerged lava formations create incredible waterworks.

A prehistoric landscape hidden in the cliffs of Maha'ulepu.

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

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

A series of waterfalls and pools that flow through the 'Ohe'o Gulch and into the ocean.

A once-glowing grotto at the bottom of Waikapalae Wet Cave.

This industrial area was the dumping ground for massive amounts of trash, some of which washes up as tiny bits of sea glass.