An isolated dive site teeming with cnidarians.

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

Nine limestone rock stacks on Australia's "Shipwreck Coast."

Known for the tunnel that leads visitors to the water.

The site of a strange super top-secret military experiment during WWII on a remote Canadian lake.

Every fall this lake mysteriously drains, like a bathtub with the plug pulled out.

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

Possibly the world’s easiest Easter-egg hunt.

A sleepy little town that had the greatest landslide in North American history fall on it.

Historic site where Native American hunters once trapped and killed buffalo.

Resting place of the Texas A&M canine mascots, who watch the game from the grave with their own miniature scoreboard.

Hauntingly beautiful totem poles left by the Haida.

Nightmarish example of the unintended consequences of weapons testing.

Flashy signs from Las Vegas’s past find their final resting place at this unusual graveyard.

A walk through the historic city center, under the streets of Seattle.

A French chateau, failed utopian community, odd museum, and Stonehenge replica in rural Washington State.

This famous bridge twisted itself into oblivion, but not for the reason you might think.

A giant Troll lurks under one of Seattle's oldest bridges.

A stunning landscape of bunkers that once stored chemical weapons.

A heavenly experience, right here on Terra Firma.

Bridges, terraces, and replicas of historic structures all built of rock and petrified wood by one man.

Where Nor'easters go to die.

The seamy, underground secrets of Portland's criminal past.

The magic's in the hole!