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

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

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

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

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

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

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

The longest continuous lava tube in Oregon.

Massive crater in central Oregon.

America's only nuclear missile silo open to the public.

The world's largest military aircraft cemetery.

A 19th-century Baja cantina that many say is the birthplace of the margarita.

This historic tower in the California desert promises visitors a "vortex of good vibes".

The world's largest wooden trestle stretches across this desert canyon in Anza-Borrego Desert State Park.

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

Where there's quartz, there must be gold. Thus is the story of the mines of Julian, and the titillating times of the Gold Rush.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

One of the few remaining carousels built by master amusement park carver Charles I.D. Looff.

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

North America's largest accredited model railroad museum.

The Giant Lemon of Lemon Grove.

The American rainmaker and a burst dam.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.