The longest continuous lava tube in Oregon.

This lake in the Cascades lives up to its name, disappearing down a hole every spring.

No one knows how this Pacific Northwest spruce tree came to have so many trunks.

This charmingly homemade amusement park has been growing for 40 years.

Oregon's unexpected high desert, displaying layers of time in a colorful show.

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

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

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

Salt is slowly eating away this abandoned saltworks town in the desert.

Hidden in a hotel parking lot is a strange historical plaque erected by an obscure fraternal society.

Thousands of crosses and markers for soldiers who lost their lives in Iraq and Afghanistan blanket a California hillside.

Windswept and remote, this island was once the home of a rare mammoth and today is home to a rare tree.

Famous and forgotten figures lie beneath the faded headstones and decaying planks of wood.

At 130 years old and 126 feet tall, it is the largest known example of the rare Torrey pine tree.

Since World War II people have been decorating this stretch of the Yuma desert with signatures arranged out of rocks.

The oldest orange tree in California spawned a generation of citrus farmers.

Crumbling pink walls and murder memorials preserve the pioneer history of Joshua Tree.

One man's love of natural beauty led to the creation of this hidden granite monument.

The overgrown ruins of a once thriving World War I-era copper mine.

A UFO scrapyard in the California desert.

This desert oddity hides in plain sight thanks to a cartographic error and a desert explorer with a punny sense of humor.

Everything you always wanted to know about borates is here.

Inky sludge oozes to the surface of this beach thanks to a rare natural tar seep.

A giant desert bird that once swung music fans at Coachella now has a home in a nearby traffic circle.