A massive sea stack famous for its appearance in The Goonies.

Only known mainland rookery of the threatened Stellar sea lion.

The magic's in the hole!

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

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

At a rest stop north of Seattle, the trunk of an ancient tree.

This metallic stampede sits frozen on a Washington ridge yet the artist's vision is still incomplete.

The longest and widest floating bridge in the world.

This playground sculpture of an icon from the past is dedicated to the children of the future.

An exercise in patience and imagination, where Mother Earth turned common stuff into precious hidden treasures.

An abandoned network of military bunkers and tunnels open for anyone willing to descend into the darkness.

What's that on the side of that building? Va Va Voom, it's Bettie!

An old-timey peepshow allows visitors to gawk at some of the world's most freakishly large footwear.

This long, dark tunnel is open to hikers, but those without lights are known to get confused even on the straight path.

A surreal landscape where fanged rocks rise from the ground and the ocean feels like a great mystery.

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

A wall of chewing gum moonlights as collective art.

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

Stroll through a wonderland of stupendous moss-covered trees.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

A few dilapidated structures are all that remain of this deserted former silver mining town.

Jail from the 19th century that was built by inmates.

A former gold rush boomtown has managed to stay in business for over 100 ramshackle years.

Sweet Willy, at 30 feet tall, is the world's biggest beagle.