The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

The wooden airship was the largest flying boat ever built.

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

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

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

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

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

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

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 beautiful 62-acre Catholic shrine and botanical garden.

These memorials built by an eccentric bachelor on the side of Interstate 5 cause both wonder and traffic accidents.

The largest non-native tree in Washington

A normal, unassuming pedestrian overpass has been the demise of many, many trucks.

A community gathering place that once housed half-ton tanks and the World's Fair.

This impressively large collection includes crackers shaped like Jimmy Carter, Mickey Mouse, and more.

This super-sized skillet is a replica of a usable giant pan where a woman once skated on bacon.

An outsider art duo's yard has been turned into a whimsical public gallery.

The world's largest egg has been cracked a number of times over the years but has been repeatedly replaced.

Home of Jake the Alligator Man, the mummified remains of a cigar smoking, cross-dressing celebrity of the Northwestern coast.

A beautiful footbridge with over 2,000 glass sculptures along the walls and ceiling.