Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

One man's quest to save his town with a trail of record-breaking sculptures.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.

The first declared National Monument in the United States.

The only road through the heart of Glacier National Park.

This stoic, if derpy, giant stands as a monument to Oregon's statehood and the novelty culture of yesteryear.

A collection of colorful dinosaurs hidden in an actual rainforest.

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

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

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

The world's smallest park was dedicated in 1948 as the only colony for leprechauns west of Ireland.

Only known mainland rookery of the threatened Stellar sea lion.

You might know it as the Overlook Hotel, but the inside is not going to be familiar.

A beautiful 62-acre Catholic shrine and botanical garden.

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

The magic's in the hole!

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

An emporium for the weird, creepy, rare, and just plain gross.

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

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

A glimpse into the "Logging Capital of the World" at a time when there was far more forest and far less machinery.