Few of the many visitors to this resort town know of its hidden Maya ruins.

At least seven hues of blue and turquoise make this freshwater lagoon unique.

A sprawling network of century-old subterranean catacombs lies beneath a nondescript suburban home.

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

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

A small collection of iguana-infested ruins hides amid Cancún's bustling hotel zone.

One man's dream has turned into this naturally growing chapel made of almost nothing but trees.

New Zealand's only running funicular railway.

Some of the clearest water anywhere in the world.

Watch the seas clash at the place where according to Maori tradition, the spirits depart for their journey to the afterlife.

This modern New Zealand attraction honors ancient forms of astronomy and scientific understanding.

New Zealand's oldest prison holds a dark history and the scars of a deadly earthquake.

What began as a makeshift lost and found, now exists as a unique art installation.

Nature's slip and slide.

Largest Kauri tree in New Zealand.

A galaxy of glowworms—larvae of a gnat—hides deep in the belly of these caves.

This electric green sulphur lake in New Zealand looks like a cartoonish radioactive dump site.

The once and future home of New Zealand's famed Pink and White Terraces.

Deadly scalding and one of the largest hot springs in the world.

A Maori village obliterated by an 1886 volcanic eruption.

Major tourist destination known for its bubbling mud-pools and hot thermal springs.

Tubing through a cave lit with glowworms is a magical underground experience.

A drowned river valley that was important to the Maori and European settlers.

One of the world's largest Tesla coils.