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.

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

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

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

Home of Howard Hughes' Spruce Goose.

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

Shakespeare has been brought to life in this open air theater for the better part of a century.

Post office plaque commemorates local resistance to a cult invasion.

Mountain known by the Tillamook Tribe as "the place of the supreme deity."

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

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

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

Two massive rock outcroppings on the Oregon coastline.

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

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

A sculpture of a salmon swimming through a brick building.

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

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

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.

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.

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

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