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

The magic's in the hole!

A tribute to a unique bike race that takes place every year.

The seamy, underground secrets of Portland's criminal past.

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

On the Oregon coast is a natural hole that seems to be draining the sea.

While most of the games in this arcade take quarters, that would have been a small fortune when they were made.

The sprawling, eccentric estate of Ames and Ames, a brilliant botanist, and a genius inventor and artist.

The burial grounds of a secret society includes fences topped with fake Tesla balls.

There are eight natural springs around town, each with a slightly different taste.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

A downtown park built on top of unclaimed graves.

This controversial depiction of the "Founder of California" looks as though it was sculpted from mashed potatoes.

A burnt orange monolithic dome structure perched on a hillside near Interstate 280.

One of the largest free-standing structures ever built, this dirigible hangar is now simply a giant skeleton.

This giant shopping mall still holds signs of its automotive past.

An ominous concrete cube cuts a dystopian silhouette atop this California mountain.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

A giant chess set, minus the psychedelic drug trip.

The headquarters of a secretive order is also a beautifully-designed park.

An extensive collection of ancient Egyptian artifacts and mummies.

It is locally loved and ridiculed for literally looking like poop.