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

Australian Lake set aglow by Noctiluca Scintillans.

An abandoned railroad tunnel is now filled with bioluminescent bugs.

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

Hitch a boat ride to dine on stilts while watching wildlife.

A rustic place to spend the night, complete with amazing quiver trees and outsider art.

Known as "The People's Park," this verdant oasis is home to elephants and villagers alike.

A rare cluster of alien-like plants grows along a dusty highway.

Ten shipwreck-shaped chalets lie along the sand dunes on Namibia’s Skeleton Coast.

Bizarre living fossil only grows in a small chunk of the Namib Desert.

This "dead marsh" sits among the largest sand dunes in the world, a forest frozen in time.

A desert that rolls right up to the ocean, where it's so dry animals live off the fog.

Far from the shore, this sandy victim of the Skeleton Coast looks like it was plopped in the middle of the desert.

The remains of diamond fever taken over by the desert.

Despite its name, this route in southern Utah offers a heavenly day trip.

Once a menacing challenge for trailblazers, this trail is now the most scenic drive in Utah.

An earthwork sculpture built by Robert Smithson in the Great Salt Lake only reemerges during drought.

Giant pinnacles in the sun-scorched lands of Southern Utah have been nicknamed "white ghosts."

Dig for your own trilobites in this goldmine of invertebrates.

This concert pavilion on the shore of the Great Salt Lake has been destroyed by fire, water, and disinterest but keeps coming back.

A well-preserved Ancestral Puebloan ruin tucked beneath a desert cliff.

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

Sandstone rock formations that look like they belong on the cover of a progressive rock album.

Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.