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

Site of the greatest known waterfall that ever existed.

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

The highest point in Washington state is a volcano covered in glaciers.

A memorial for the mustachioed record-setting runner.

Tens of thousands of tiny birds swarm into one school chimney every fall.

A rugged lava field dotted with molds of the ancient pines that were growing when the volcano erupted.

This gorgeous beach hides behind two headlands in Oregon's Ecola State Park.

Two massive rock outcroppings on the Oregon coastline.

This extravagant Art Nouveau rest stop features a million-dollar view of the Columbia River.

Despite a legend that says this highest peak in Oregon was climbed in high heels scores of people have died on its slopes.

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

The longest continuous lava tube in Oregon.

Only known mainland rookery of the threatened Stellar sea lion.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

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

This massive crater in the middle of nowhere was used to train astronauts for moon landings.

Mysterious meeting place for UFO hunters near Area 51.

Officially named the "Loneliest Road in America," this barren stretch of Nevada road offers almost nothing but sky and open fields.

An eatery for UFO seekers on the Extraterrestrial Highway.

A gothic palace of endless stalagmites and pseudoscorpions waits within one of the world's most beautiful caves.

The longest living non-clonal organisms on Earth.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.