A sprawling cave network created by a lone lava tube.

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.

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

A midcentury ranch house hides a literal treasure trove of unique rocks and minerals.

The world's last remaining store of its kind.

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

A volcanic landmark located on an Ice age lake bed.

This natural marble cave is one of only five national monuments in Oregon.

This massive mushroom has spent centuries eating its way across a huge swath of Oregon.

Where Nor'easters go to die.

The short-lived railroad town in central Oregon has been abandoned since the 1930s.

This perfectly preserved Chinese medicine shop was untouched for decades before being reopened as a museum.

Gigantic private toy museum featuring among finest collections of antique mechanical banks in existence.

Statues of Ramona Quimby, Henry Huggins, and Ribsy the dog in the park where their adventures "really happened."

Bridges, terraces, and replicas of historic structures all built of rock and petrified wood by one man.

Entering this curiosity shop is like stepping into a mad scientist's lab.

A chance to sleep among the firs and pines of the Oregon forest.

A volcanic fissure over two miles long and up to 70 feet deep.

A tourist attraction founded around a slumping cabin.

Two massive rock outcroppings on the Oregon coastline.

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

This strange hill on Old Fort Road where gravity works in reverse has been fascinating locals for years.

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

Formerly secret, precariously perched boulders.