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

A heavenly experience, right here on Terra Firma.

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

The home of the world's first and last remaining "wooly ant."

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

The magic's in the hole!

A sculpture of a salmon swimming through a brick building.

Portlandia is the second-largest copper repoussé statue in the United States.

No two pieces are exactly the same at Portland's hippo-themed hardware store.

Hunting trophies decorate Oregon's most unique bar-restaurant.

An institution that preserves the history of institutionalization.

The second largest waterfall by volume in the U.S., Willamette Falls is outdone only by Niagara in the amount of water that is pushed northward.

Home to the only outdoor municipal elevator in the United States.

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

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

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

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

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

A vertically floating hemlock controls the waves and weather at Crater Lake.

According to legend, you must remain completely silent while passing this man-made mound or suffer the consequences.

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

1920's mining camp and environmental education center is serving to protect the surrounding forest, one of the last of its kind in the Pacific Northwest.

Post office plaque commemorates local resistance to a cult invasion.

While it is not equipped to peer into outer space this observatory looks like it was built on the moon.