An annual celebration of the infamous, unsolved skyjacking.

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

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

Is this the most Portland place ever?

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

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

Tens of thousands of tiny birds swarm into one school chimney every fall.

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

Tiny horses tethered to antique rings are scattered around the city.

This public art piece proves that in Portland even reporting the weather is a thing of whimsy.

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

This Chinese-style quartz sundial was saved in its final hour.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

The huge collection of paintings of the American West is one of Denver's best-kept secrets.

A small horde of mythical creatures lurk almost imperceptibly within the museum's wildlife dioramas.

A downtown park built on top of unclaimed graves.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.

Central City celebrates its most famous madam by racing beds down Main Street.

This deserted Gold Rush town is home to a Masonic lodge that, strangely enough, still holds meetings.

Wall to wall taxidermy at Denver's oldest and most exotic steakhouse.

The largest self-built castle in the U.S., six decades in the making.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.