One of the most scenic stretches of road in America winds between some of the country's oldest trees.

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

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

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

Home of Howard Hughes' Spruce Goose.

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

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

Contractors in this Oregon town have been stamping their names in sidewalks since 1908.

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

A logging-themed roadside restaurant surrounded by museum-quality machinery and artifacts from the industry's heyday.

100-year-old shipwreck you can walk up to at low tide.

The wooden airship was the largest flying boat ever built.

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.