A magically clear, blue river that seems to spring from nowhere.

The glacier tucked within a New Zealand rainforest.

Dolphins, ancient clams and hundreds of waterfalls make this one of the world's top tourist destinations.

An obscure waterfall that looks like something out of a fantasy novel.

Hidden deep in the Guatemalan jungle is a turquoise paradise of natural pools, caves, and waterfalls.

Stripes of flowers bloom each spring in a 50 acre rainbow of color.

Each spring, a dreamlike carpet of bluebells overtakes the forest floor.

These Great Lakes sea caves accessible by boat in the summer turn into temples of ice reachable by foot in the winter.

This massive water spout has been luring visitors for hundreds of years, some to their death.

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

This stream-carved gorge has inspired poets, hidden smugglers, and trained soldiers, all without losing its beauty.

Eons old volcanic activity created one of the most stunning rock formations in the United States.

This Florida sinkhole hides a rainforest-like micro-environment in its depths.

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

This sawtooth mountain range still bears the strangely lovely marks of its history as a medieval quarry.

This evocatively named natural crevasse was created by a torrent of water that smashed right through a granite deposit.

On the Oregon coast there is a natural hole that seems to be draining the sea.

These Finnish rapids have been attracting tourists for over a hundred years and are now released with the push of a button.

The last physical evidence of the Lewis and Clark trail is one of their autographs etched into this giant rock.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

Roman ruins top white travertine terraces formed by ancient hot springs.

Rustic natural hot springs in the deciduous rain forest.

An abandoned whaling station on an active volcano offers hot springs in Antarctica, surrounded by ruined giants of industry.

A sulfuric martian landscape that looks far better than it smells.