Strange rock formations tower above the river that snakes through this enchanting Icelandic canyon.

The most powerful waterfall in all of Europe.

This elegant arc of a waterfall marks a religious turning point.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

This "Palace of Purification" has made many film appearances as a dark and sinister headquarters.

Little island known for its massive beachfront "flowerpot" pillars.

What was once the largest mine in North America has left behind a hollow hill filled with bright blue waters.

Hundreds of prehistoric stones, arranged in perfect lines in a French field.

Medicinal spa created with the discharge from a geothermal energy plant.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

Rising from the sea like a stone monster.

This crescent-shaped sliver of sand is a magical haven for a herd of feral horses.

An ever-changing gathering of crude wooden figures haunts the St. Lawrence River.

These strikingly barren, rolling red hills were caused by bad farming practices.

This mill on Lake Erie appears to shrink as a viewer approaches thanks to an optical illusion.

Toxic waste disaster that founded the Superfund program.

The first declared National Monument in the United States.

An old world fairytale-land with over 350 fairy folk figurines hidden amongst 800 year old cedars.

This notorious Canadian mental institution was home to some of the first LSD experiments and origin of the word "psychedelic."

Hoodoos, naturally eroded land formations, stand 20 feet tall in the Canadian badlands.