The only pollutant in the clear blue water is sunscreen.

Woven tree art gives this towering Australian woodland a touch of mystical whimsy.

A small, but award-winning beach known for its literally spotless reputation.

A massive stairway that almost wasn't leads to one of Australia's most scenic vistas.

This gracefully curving formation looks like a massive wave that was suddenly turned to stone.

A castle hand-built by a Spanish dreamer in the Australian tropical jungle.

A collection of outdoor mystical statues paying homage to indigenous Australians and ecological stewardship.

Once the path of a railway tunnel, now home to thousands of glowing insects.

An abandoned railroad tunnel is now filled with bioluminescent bugs.

Australian Lake set aglow by Noctiluca Scintillans.

An Australian lake whose pink hue defies scientific explanation.

No one is quite sure of the origins of these idyllic natural hot springs at an abandoned mountain resort.

A part of the world's largest marsh seems to be growing bright red Martian grass.

Named after a bandit and the star of several Hollywood prehistoric landscapes, these sandstone formations are a historical part of the Los Angeles natural landscape.

Each year these high desert hills are absolutely covered with poppy flowers in a surreal show of nature.

The winter home of millions of migrating monarch butterflies.

The largest cave shaft in the world is home to thousands of birds and popular with BASE jumpers.

This fantastical house shaped like a seashell brings aquatic design to architecture.

66,000 pieces of art, donated by one of the world's richest men.

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

Superstitious? Discover the witchy side of Mexico through its largest esoteric market.

Frida Kahlo's childhood home, now a museum of her life and works.

These azure waters were thought to lead to the Mayan Underworld.

An Aztec snake god has taken the material form of an apartment complex.