The largest wooden building in the world now houses a fascinating collection of aircraft.

The U.S. Navy's last diesel-electric submarine rests half-submerged in the middle of Portland.

The wooden airship was the largest flying boat ever built.

Home of Howard Hughes' Spruce Goose.

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

This little slice of the Netherlands in the Pacific Northwest blooms in a rainbow of color each spring.

World's largest porcine hairball sits in a collection maintained by Benedictine monks.

The first North American landing spot for James Cook on his third voyage of discovery in the Pacific.

A Roman-style column in Oregon hides a spiral staircase inside.

This sandstone mansion was the home of two of Oregon's most important pioneers.

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

The park preserves a single, rare species of carnivorous plant that spells doom for unsuspecting insects.

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

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

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

10,000 flowered plants bloom in the City of Roses.

A collection of colorful dinosaurs hidden in an actual rainforest.

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

Only known mainland rookery of the threatened Stellar sea lion.

The longest continuous lava tube in Oregon.

Treehouse motel and treehouse-building school.

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.

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